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- |\^/| Maple 7 (IBM INTEL LINUX)
-._|\| |/|_. Copyright (c) 2001 by Waterloo Maple Inc.
- \ MAPLE / All rights reserved. Maple is a registered trademark of
- <____ ____> Waterloo Maple Inc.
- | Type ? for help.
-# util.maple -- misc utility routines
-# $Header: /cactusdevcvs/CactusBase/LocalInterp/src/GeneralizedPolynomial-Uniform/util.maple,v 1.4 2002/08/20 16:46:06 jthorn Exp $
->
-#
-# fix_rationals - convert numbers to RATIONAL() calls
-# nonmatching_names - find names in a list which *don't* have a specified prefix
-# sprint_numeric_list - convert a numeric list to a valid C identifier suffix
-# print_name_list_dcl - print C declarations for a list of names
-#
-# hypercube_points - compute all (integer) points in an N-dimensional hypercube
-#
-# ftruncate - truncate a file to zero length
-#
->
-################################################################################
-################################################################################
-################################################################################
->
-#
-# This function converts all {integer, rational} subexpressions of its
-# input except integer exponents and -1 factors in products, into function
-# calls
-# RATIONAL(num,den)
-# This is useful in conjunction with the C() library function, since
-#
-# C( (1/3) * foo * bar )
-# t0 = foo*bar/3;
-#
-# generates a (slow) division (and runs the risk of mixed-mode-arithmetic
-# problems), while
-#
-# C((1.0/3.0) * foo * bar);
-# t0 = 0.3333333333*foo*bar;
-#
-# suffers from roundoff error. With this function,
-#
-# fix_rationals((1/3) * foo * bar);
-# RATIONAL(1,3) foo bar
-# C(%);
-# t0 = RATIONAL(1.0,3.0)*foo*bar;
-#
-# which a C preprocessor macro can easily convert to the desired
-#
-# t0 = (1.0/3.0)*foo*bar;
-#
-# Additionally, this function can be told to leave certain types of
-# subexpressions unconverged. For example,
-# fix_rationals(expr, type, specfunc(integer, DATA));
-# will leave all subexpressions of the form DATA(integer arguments)
-# unconverted.
-#
-# Arguments:
-# expr = (in) The expression to be converted.
-# inert_fn = (optional in)
-# If specified, this argument should be a Boolean procedure
-# or the name of a Boolean procedure. This procedure should
-# take one or more argument, and return true if and only if
-# the first argument should *not* be converted, i.e. if we
-# should leave this expression unchanged. See the last
-# example above.
-# ... = (optional in)
-# Any further arguments are passed as additional arguments to
-# the inert_fn procedure.
-#
-> fix_rationals :=
-> proc(
-> expr::{
-> algebraic, name = algebraic,
-> list({algebraic, name = algebraic}),
-> set ({algebraic, name = algebraic})
-> },
-> inert_fn::{name, procedure}
-> )
-> local nn, k,
-> base, power, fbase, fpower,
-> fn, fn_args_list,
-> num, den, mult;
->
-# do we want to convert this expression?
-> if ((nargs >= 2) and inert_fn(expr, args[3..nargs]))
-> then return expr;
-> end if;
->
-# recurse over lists and sets
-> if (type(expr, {list,set}))
-> then return map(fix_rationals, expr, args[2..nargs]);
-> end if;
->
-# recurse over equation right hand sides
-> if (type(expr, name = algebraic))
-> then return ( lhs(expr) = fix_rationals(rhs(expr), args[2..nargs]) );
-> end if;
->
-# recurse over functions other than RATIONAL()
-> if (type(expr, function))
-> then
-> fn := op(0, expr);
-> if (fn <> 'RATIONAL')
-> then
-> fn_args_list := [op(expr)];
-> fn_args_list := map(fix_rationals, fn_args_list, args[2..nargs]);
-> fn; return '%'( op(fn_args_list) );
-> end if;
-> end if;
->
-> nn := nops(expr);
->
-# recurse over sums
-> if (type(expr, `+`))
-> then return sum('fix_rationals(op(k,expr), args[2..nargs])', 'k'=1..nn);
-> end if;
->
-# recurse over products
-# ... leaving leading -1 factors intact, i.e. not converted to RATIONAL(-1,1)
-> if (type(expr, `*`))
-> then
-> if (op(1, expr) = -1)
-> then return -1*fix_rationals(remove(type, expr, 'identical(-1)'),
-> args[2..nargs]);
-> else return product('fix_rationals(op(k,expr), args[2..nargs])',
-> 'k'=1..nn);
-> end if;
-> end if;
->
-# recurse over powers
-# ... leaving integer exponents intact
-> if (type(expr, `^`))
-> then
-> base := op(1, expr);
-> power := op(2, expr);
->
-> fbase := fix_rationals(base, args[2..nargs]);
-> if (type(power, integer))
-> then fpower := power;
-> else fpower := fix_rationals(power, args[2..nargs]);
-> end if;
-> return fbase ^ fpower;
-> end if;
->
-# fix integers and fractions
-> if (type(expr, integer))
-> then return 'RATIONAL'(expr, 1);
-> end if;
-> if (type(expr, fraction))
-> then
-> num := op(1, expr);
-> den := op(2, expr);
->
-> return 'RATIONAL'(num, den);
-> end if;
->
-# turn Maple floating-point into integer fraction, then recursively fix that
-> if (type(expr, float))
-> then
-> mult := op(1, expr);
-> power := op(2, expr);
-> return fix_rationals(mult * 10^power, args[2..nargs]);
-> end if;
->
-# identity op on names
-> if (type(expr, name))
-> then return expr;
-> end if;
->
-# unknown type
-> error "%0",
-> "unknown type for expr!",
-> " whattype(expr) = ", whattype(expr),
-> " expr = ", expr;
-> end proc;
-fix_rationals := proc(expr::{algebraic, name = algebraic,
-list({algebraic, name = algebraic}), set({algebraic, name = algebraic})},
-inert_fn::{procedure, name})
-local nn, k, base, power, fbase, fpower, fn, fn_args_list, num, den, mult;
- if 2 <= nargs and inert_fn(expr, args[3 .. nargs]) then return expr
- end if;
- if type(expr, {set, list}) then
- return map(fix_rationals, expr, args[2 .. nargs])
- end if;
- if type(expr, name = algebraic) then
- return lhs(expr) = fix_rationals(rhs(expr), args[2 .. nargs])
- end if;
- if type(expr, function) then
- fn := op(0, expr);
- if fn <> 'RATIONAL' then
- fn_args_list := [op(expr)];
- fn_args_list :=
- map(fix_rationals, fn_args_list, args[2 .. nargs]);
- fn;
- return '%'(op(fn_args_list))
- end if
- end if;
- nn := nops(expr);
- if type(expr, `+`) then return
- sum('fix_rationals(op(k, expr), args[2 .. nargs])', 'k' = 1 .. nn)
- end if;
- if type(expr, `*`) then
- if op(1, expr) = -1 then return -fix_rationals(
- remove(type, expr, 'identical(-1)'), args[2 .. nargs])
- else return product('fix_rationals(op(k, expr), args[2 .. nargs])',
- 'k' = 1 .. nn)
- end if
- end if;
- if type(expr, `^`) then
- base := op(1, expr);
- power := op(2, expr);
- fbase := fix_rationals(base, args[2 .. nargs]);
- if type(power, integer) then fpower := power
- else fpower := fix_rationals(power, args[2 .. nargs])
- end if;
- return fbase^fpower
- end if;
- if type(expr, integer) then return 'RATIONAL'(expr, 1) end if;
- if type(expr, fraction) then
- num := op(1, expr); den := op(2, expr); return 'RATIONAL'(num, den)
- end if;
- if type(expr, float) then
- mult := op(1, expr);
- power := op(2, expr);
- return fix_rationals(mult*10^power, args[2 .. nargs])
- end if;
- if type(expr, name) then return expr end if;
- error "%0", "unknown type for expr!", " whattype(expr) = ",
- whattype(expr), " expr = ", expr
-end proc
-
->
-################################################################################
->
-#
-# This function finds names in a list which *don't* have a specified prefix.
-#
-# Arguments:
-# name_list = A list of the names.
-# prefix = The prefix we want to filter out.
-#
-# Results:
-# This function returns the subset list of names which don't have the
-# specified prefix.
-#
-> nonmatching_names :=
-> proc( name_list::list({name,string}), prefix::{name,string} )
->
-> select( proc(n)
-> evalb(not StringTools[IsPrefix](prefix,n));
-> end proc
-> ,
-> name_list
-> );
-> end proc;
-nonmatching_names := proc(
-name_list::list({name, string}), prefix::{name, string})
- select(proc(n) evalb(not StringTools[IsPrefix](prefix, n)) end proc,
- name_list)
-end proc
-
->
-################################################################################
->
-#
-# This function converts a numeric list to a string which is a valid
-# C identifier suffix: elements are separated by "_", decimal points are
-# replaced by "x", and all nonzero values have explicit +/- signs, which
-# are replaced by "p"/"m".
-#
-# For example, [0,-3.5,+4] --> "0_m3x5_p4".
-#
-> sprint_numeric_list :=
-> proc(nlist::list(numeric))
->
-# generate preliminary string, eg "+0_-3.5_+4"
-> map2(sprintf, "%+a", nlist);
-> ListTools[Join](%, "_");
-> cat(op(%));
->
-# fixup bad characters
-> StringTools[SubstituteAll](%, "+0", "0");
-> StringTools[CharacterMap](".+-", "xpm", %);
->
-> return %;
-> end proc;
-sprint_numeric_list := proc(nlist::list(numeric))
- map2(sprintf, "%+a", nlist);
- ListTools[Join](%, "_");
- cat(op(%));
- StringTools[SubstituteAll](%, "+0", "0");
- StringTools[CharacterMap](".+-", "xpm", %);
- return %
-end proc
-
->
-################################################################################
->
-#
-# This function prints a sequence of C declarations for a list of names.
-#
-# Argument:
-# name_list = A list of the names.
-# type_name = The C type of the names, eg. "double".
-# file_name = The file name to write the declaration to. This is
-# truncated before writing.
-#
-> print_name_list_dcl :=
-> proc( name_list::list({name,string}),
-> type_name::string,
-> file_name::string )
-> local blanks, separator_string;
->
-> ftruncate(file_name);
->
-> map(
-> proc(var::{name,string})
-> fprintf(file_name,
-> "%s %s;\n",
-> type_name, var);
-> end proc
-> ,
-> name_list
-> );
->
-> fclose(file_name);
-> NULL;
-> end proc;
-print_name_list_dcl := proc(
-name_list::list({name, string}), type_name::string, file_name::string)
-local blanks, separator_string;
- ftruncate(file_name);
- map(proc(var::{name, string})
- fprintf(file_name, "%s %s;\n", type_name, var)
- end proc, name_list);
- fclose(file_name);
- NULL
-end proc
-
->
-################################################################################
-################################################################################
-################################################################################
->
-#
-# This function computes a list of all the (integer) points in an
-# N-dimensional hypercube, in lexicographic order. The present
-# implementation requires N <= 4.
-#
-# Arguments:
-# cmin,cmax = N-element lists of cube minimum/maximum coordinates.
-#
-# Results:
-# The function returns a set of d-element lists giving the coordinates.
-# For example,
-# hypercube([0,0], [2,1]
-# returns
-# { [0,0], [0,1], [1,0], [1,1], [2,0], [2,1] }
-> hypercube_points :=
-> proc(cmin::list(integer), cmax::list(integer))
-> local N, i,j,k,l;
->
-> N := nops(cmin);
-> if (nops(cmax) <> N)
-> then error
-> "must have same number of dimensions for min and max coordinates!";
-> fi;
->
-> if (N = 1)
-> then return [seq([i], i=cmin[1]..cmax[1])];
-> elif (N = 2)
-> then return [
-> seq(
-> seq([i,j], j=cmin[2]..cmax[2]),
-> i=cmin[1]..cmax[1])
-> ];
-> elif (N = 3)
-> then return [
-> seq(
-> seq(
-> seq([i,j,k], k=cmin[3]..cmax[3]),
-> j=cmin[2]..cmax[2] ),
-> i=cmin[1]..cmax[1])
-> ];
-> elif (N = 4)
-> then return [
-> seq(
-> seq(
-> seq(
-> seq([i,j,k,l], l=cmin[4]..cmax[4]),
-> k=cmin[3]..cmax[3] ),
-> j=cmin[2]..cmax[2]),
-> i=cmin[1]..cmax[1])
-> ];
-> else
-> error "implementation restriction: must have N <= 4, got %1!", N;
-> fi;
-> end proc;
-hypercube_points := proc(cmin::list(integer), cmax::list(integer))
-local N, i, j, k, l;
- N := nops(cmin);
- if nops(cmax) <> N then error
- "must have same number of dimensions for min and max coordinates!"
- end if;
- if N = 1 then return [seq([i], i = cmin[1] .. cmax[1])]
- elif N = 2 then return
- [seq(seq([i, j], j = cmin[2] .. cmax[2]), i = cmin[1] .. cmax[1])]
- elif N = 3 then return [seq(
- seq(seq([i, j, k], k = cmin[3] .. cmax[3]), j = cmin[2] .. cmax[2])
- , i = cmin[1] .. cmax[1])]
- elif N = 4 then return [seq(seq(seq(
- seq([i, j, k, l], l = cmin[4] .. cmax[4]), k = cmin[3] .. cmax[3]),
- j = cmin[2] .. cmax[2]), i = cmin[1] .. cmax[1])]
- else error "implementation restriction: must have N <= 4, got %1!", N
- end if
-end proc
-
->
-################################################################################
-################################################################################
-################################################################################
->
-#
-# This function truncates a file to 0 length if it exists, or creates
-# it at that length if it doesn't exist.
-#
-# Arguments:
-# file_name = (in) The name of the file.
-#
-> ftruncate :=
-> proc(file_name::string)
-> fopen(file_name, 'WRITE');
-> fclose(%);
-> NULL;
-> end proc;
-ftruncate :=
-
- proc(file_name::string) fopen(file_name, 'WRITE'); fclose(%); NULL end proc
-
-# interpolate.maple -- compute interpolation formulas/coefficients
-# $Header: /cactusdevcvs/CactusBase/LocalInterp/src/GeneralizedPolynomial-Uniform/interpolate.maple,v 1.10 2002/08/28 11:31:09 jthorn Exp $
->
-#
-# <<<representation of numbers, data values, etc>>>
-# Lagrange_polynomial_interpolant - compute Lagrange polynomial interpolant
-# Hermite_polynomial_interpolant - compute Hermite polynomial interpolant
-# coeffs_as_lc_of_data - coefficients of ... (linear combination of data)
-#
-# print_coeffs__lc_of_data - print C code to compute coefficients
-# print_fetch_data - print C code to fetch input array chunk into struct data
-# print_store_coeffs - print C code to store struct coeffs "somewhere"
-# print_interp_cmpt__lc_of_data - print C code for computation of interpolant
-#
-# coeff_name - name of coefficient of data at a given [m] coordinate
-# data_var_name - name of variable storing data value at a given [m] coordinate
-#
->
-################################################################################
->
-#
-# ***** representation of numbers, data values, etc *****
-#
-# We use RATIONAL(p.0,q.0) to denote the rational number p/q.
-#
-# We use DATA(...) to represent the data values being interpolated at a
-# specified [m] coordinate, where the arguments are the [m] coordinates.
-#
-# We use COEFF(...) to represent the molecule coefficient at a specified
-# [m] coordinate, where the arguments are the [m] coordinates.
-#
-# For example, the usual 1-D centered 2nd order 1st derivative molecule
-# would be written
-# RATIONAL(-1.0,2.0)*DATA(-1) + RATIONA(1.0,2.0)*DATA(1)
-# and its coefficients as
-# COEFF(-1) = RATIONAL(-1.0,2.0)
-# COEFF(1) = RATIONAL(1.0,2.0)
-#
->
-################################################################################
-################################################################################
-################################################################################
->
-#
-# This function computes a Lagrange polynomial interpolant in any
-# number of dimensions.
-#
-# Arguments:
-# fn = The interpolation function. This should be a procedure in the
-# coordinates, having the coefficients as global variables. For
-# example,
-# proc(x,y) c00 + c10*x + c01*y end proc
-# coeff_list = A set of the interpolation coefficients (coefficients in
-# the interpolation function), for example [c00, c10, c01].
-# coord_list = A list of the coordinates (independent variables in the
-# interpolation function), for example [x,y].
-# posn_list = A list of positions (each a list of numeric values) where the
-# interpolant is to use data, for example hypercube([0,0], [1,1]).
-# Any positions may be used; if they're redundant (as in the
-# example) the least-squares interpolant is computed.
-#
-# Results:
-# This function returns the interpolating polynomial, in the form of
-# an algebraic expression in the coordinates and the data values.
-#
-> Lagrange_polynomial_interpolant :=
-> proc(
-> fn::procedure, coeff_list::list(name),
-> coord_list::list(name), posn_list::list(list(numeric))
-> )
-> local posn, data_eqns, coeff_eqns;
->
-# coefficients of interpolating polynomial
-> data_eqns := { seq( fn(op(posn))='DATA'(op(posn)) , posn=posn_list ) };
-> coeff_eqns := linalg[leastsqrs](data_eqns, {op(coeff_list)});
-> if (has(coeff_eqns, '_t'))
-> then error "interpolation coefficients aren't uniquely determined!";
-> end if;
->
-# interpolant as a polynomial in the coordinates
-> return subs(coeff_eqns, eval(fn))(op(coord_list));
-> end proc;
-Lagrange_polynomial_interpolant := proc(fn::procedure, coeff_list::list(name),
-coord_list::list(name), posn_list::list(list(numeric)))
-local posn, data_eqns, coeff_eqns;
- data_eqns := {seq(fn(op(posn)) = 'DATA'(op(posn)), posn = posn_list)};
- coeff_eqns := linalg[leastsqrs](data_eqns, {op(coeff_list)});
- if has(coeff_eqns, '_t') then
- error "interpolation coefficients aren't uniquely determined!"
- end if;
- return subs(coeff_eqns, eval(fn))(op(coord_list))
-end proc
-
->
-################################################################################
->
-#
-# This function computes a Hermite polynomial interpolant in any
-# number of dimensions. This is a polynomial which
-# * has values which match the given data DATA() at a specified set of
-# points, and
-# * has derivatives which match the specified finite-difference derivatives
-# of the given data DATA() at a specified set of points
-#
-# For the derivative matching, we actually match all possible products
-# of 1st derivatives, i.e. in 2-D we match dx, dy, and dxy, in 3-D we
-# match dx, dy, dz, dxy, dxz, dyz, and dxyz, etc etc.
-#
-# Arguments:
-# fn = The interpolation function. This should be a procedure in the
-# coordinates, having the coefficients as global variables. For
-# example,
-# proc(x,y)
-# + c03*y^3 + c13*x*y^3 + c23*x^2*y^3 + c33*x^3*y^3
-# + c02*y^2 + c12*x*y^2 + c22*x^2*y^2 + c32*x^3*y^2
-# + c01*y + c11*x*y + c21*x^2*y + c31*x^3*y
-# + c00 + c10*x + c20*x^2 + c30*x^3
-# end proc;
-# coeff_set = A set of the interpolation coefficients (coefficients in
-# the interpolation function), for example
-# {
-# c03, c13, c23, c33,
-# c02, c12, c22, c32,
-# c01, c11, c21, c31,
-# c00, c10, c20, c30
-# }
-# coord_list = A list of the coordinates (independent variables in the
-# interpolation function), for example [x,y].
-# deriv_set = A set of equations of the form
-# {coords} = proc
-# giving the derivatives which are to be matched, and the
-# procedures to compute their finite-difference approximations.
-# Each procedure should take N_dims integer arguments specifying
-# an evaluation point, and return a suitable linear combination
-# of the DATA() for the derivative at that point. For example
-# {
-# {x} = proc(i::integer, j::integer)
-# - 1/2*DATA(i-1,j) + 1/2*DATA(i+1,j)
-# end proc
-# ,
-# {y} = proc(i::integer, j::integer)
-# - 1/2*DATA(i,j-1) + 1/2*DATA(i,j+1)
-# end proc
-# ,
-# {x,y} = proc(i::integer, j::integer)
-# - 1/4*DATA(i-1,j+1) + 1/4*DATA(i+1,j+1)
-# + 1/4*DATA(i-1,j-1) - 1/4*DATA(i+1,j-1)
-# end proc
-# }
-# fn_posn_set = A set of positions (each a list of numeric values)
-# where the interpolant is to match the given data DATA(),
-# for example
-# {[0,0], [0,1], [1,0], [1,1]}
-# deriv_posn_set = A list of positions (each a list of numeric values)
-# where the interpolant is to match the derivatives
-# specified by deriv_set , for example
-# {[0,0], [0,1], [1,0], [1,1]}
-#
-# Results:
-# This function returns the interpolating polynomial, in the form of
-# an algebraic expression in the coordinates and the data values.
-#
-> Hermite_polynomial_interpolant :=
-> proc(
-> fn::procedure,
-> coeff_set::set(name),
-> coord_list::list(name),
-> deriv_set::set(set(name) = procedure),
-> fn_posn_set::set(list(numeric)),
-> deriv_posn_set::set(list(numeric))
-> )
-> local fn_eqnset, deriv_eqnset, coeff_eqns, subs_eqnset;
->
->
-#
-# compute a set of equations
-# {fn(posn) = DATA(posn)}
-# giving the function values to be matched
-#
-> fn_eqnset := map(
-> # return equation that fn(posn) = DATA(posn)
-> proc(posn::list(integer))
-> fn(op(posn)) = 'DATA'(op(posn));
-> end proc
-> ,
-> fn_posn_set
-> );
->
->
-#
-# compute a set of equations
-# { diff(fn,coords)(posn) = DERIV(coords)(posn) }
-# giving the derivative values to be matched, where DERIV(coords)
-# is a placeholder for the appropriate derivative
-#
-> map(
-> # return set of equations for this particular derivative
-> proc(deriv_coords::set(name))
-> local deriv_fn;
-> fn(op(coord_list));
-> diff(%, op(deriv_coords));
-> deriv_fn := unapply(%, op(coord_list));
-> map(
-> proc(posn::list(integer))
-> deriv_fn(op(posn)) = 'DERIV'(op(deriv_coords))(op(posn));
-> end proc
-> ,
-> deriv_posn_set
-> );
-> end proc
-> ,
-> map(lhs, deriv_set)
-> );
-> deriv_eqnset := `union`(op(%));
->
->
-#
-# solve overall set of equations for coefficients
-# in terms of DATA() and DERIV() values
-#
-> coeff_eqns := solve[linear](fn_eqnset union deriv_eqnset, coeff_set);
-> if (indets(map(rhs,%)) <> {})
-> then error "no unique solution for coefficients -- %1 eqns for %2 coeffs",
-> nops(fn_eqnset union deriv_eqnset),
-> nops(coeff_set);
-> fi;
->
->
-#
-# compute a set of substitution equations
-# {'DERIV'(coords) = procedure}
-#
-> subs_eqnset := map(
-> proc(eqn::set(name) = procedure)
-> 'DERIV'(op(lhs(eqn))) = rhs(eqn);
-> end proc
-> ,
-> deriv_set
-> );
->
->
-#
-# compute the coefficients in terms of the DATA() values
-#
-> subs(subs_eqnset, coeff_eqns);
-> eval(%);
->
-#
-# compute the interpolant as a polynomial in the coordinates
-#
-> subs(%, fn(op(coord_list)));
-> end proc;
-Hermite_polynomial_interpolant := proc(fn::procedure, coeff_set::set(name),
-coord_list::list(name), deriv_set::set(set(name) = procedure),
-fn_posn_set::set(list(numeric)), deriv_posn_set::set(list(numeric)))
-local fn_eqnset, deriv_eqnset, coeff_eqns, subs_eqnset;
- fn_eqnset := map(
- proc(posn::list(integer)) fn(op(posn)) = 'DATA'(op(posn)) end proc,
- fn_posn_set);
- map(proc(deriv_coords::set(name))
- local deriv_fn;
- fn(op(coord_list));
- diff(%, op(deriv_coords));
- deriv_fn := unapply(%, op(coord_list));
- map(proc(posn::list(integer))
- deriv_fn(op(posn)) =
- 'DERIV'(op(deriv_coords))(op(posn))
- end proc, deriv_posn_set)
- end proc, map(lhs, deriv_set));
- deriv_eqnset := `union`(op(%));
- coeff_eqns := solve[linear](fn_eqnset union deriv_eqnset, coeff_set);
- if indets(map(rhs, %)) <> {} then error
- "no unique solution for coefficients -- %1 eqns for %2 coeffs",
- nops(fn_eqnset union deriv_eqnset), nops(coeff_set)
- end if;
- subs_eqnset := map(proc(eqn::(set(name) = procedure))
- 'DERIV'(op(lhs(eqn))) = rhs(eqn)
- end proc, deriv_set);
- subs(subs_eqnset, coeff_eqns);
- eval(%);
- subs(%, fn(op(coord_list)))
-end proc
-
->
-################################################################################
->
-#
-# This function takes as input an interpolating polynomial, expresses
-# it as a linear combination of the data values, and returns the coefficeints
-# of that form.
-#
-# Arguments:
-# interpolant = The interpolating polynomial (an algebraic expression
-# in the coordinates and the data values).
-# posn_list = The same list of data positions used in the interpolant.
-#
-# Results:
-# This function returns the coefficients, as a list of equations of the
-# form COEFF(...) = value , where each value is a polynomial in the
-# coordinates. The order of the list matches that of posn_list.
-#
-> coeffs_as_lc_of_data :=
-> proc(
-> interpolant::algebraic,
-> posn_list::list(list(numeric))
-> )
-> local data_list, interpolant_as_lc_of_data;
->
-# interpolant as a linear combination of the data values
-> data_list := [ seq( 'DATA'(op(posn)) , posn=posn_list ) ];
-> interpolant_as_lc_of_data := collect(interpolant, data_list);
->
-# coefficients of the data values in the linear combination
-> return map(
-> proc(posn::list(numeric))
-> coeff(interpolant_as_lc_of_data, DATA(op(posn)));
-> 'COEFF'(op(posn)) = %;
-> end proc
-> ,
-> posn_list
-> );
-> end proc;
-coeffs_as_lc_of_data := proc(
-interpolant::algebraic, posn_list::list(list(numeric)))
-local data_list, interpolant_as_lc_of_data;
- data_list := [seq('DATA'(op(posn)), posn = posn_list)];
- interpolant_as_lc_of_data := collect(interpolant, data_list);
- return map(proc(posn::list(numeric))
- coeff(interpolant_as_lc_of_data, DATA(op(posn)));
- 'COEFF'(op(posn)) = %
- end proc, posn_list)
-end proc
-
->
-################################################################################
-################################################################################
-################################################################################
->
-#
-# This function prints C expressions for the coefficients of an
-# interpolating polynomial. (The polynomial is expressed as linear
-# combinations of the data values with coefficients which are
-# RATIONAL(p,q) calls.)
-#
-# Arguments:
-# coeff_list = A list of the coefficients, as returned from
-# coeffs_as_lc_of_data() .
-# coeff_name_prefix = A prefix string for the coefficient names.
-# temp_name_type = The C type to be used for Maple-introduced temporary
-# names, eg. "double".
-# file_name = The file name to write the coefficients to. This is
-# truncated before writing.
-#
-> print_coeffs__lc_of_data :=
-> proc( coeff_list::list(specfunc(numeric,COEFF) = algebraic),
-> coeff_name_prefix::string,
-> temp_name_type::string,
-> file_name::string )
-> global `codegen/C/function/informed`;
-> local coeff_list2, cmpt_list, temp_name_list;
->
-# convert LHS of each equation from a COEFF() call (eg COEFF(-1,+1))
-# to a Maple/C variable name (eg coeff_I_m1_p1)
-> coeff_list2 := map(
-> proc(coeff_eqn::specfunc(numeric,COEFF) = algebraic)
-> local posn;
-> posn := [op(lhs(coeff_eqn))];
-> coeff_name(posn,coeff_name_prefix);
-> convert(%, name); # codegen[C] wants LHS
-> # to be an actual Maple *name*
-> % = fix_rationals(rhs(coeff_eqn));
-> end proc
-> ,
-> coeff_list
-> );
->
-#
-# generate the C code
-#
->
-# tell codegen[C] not to warn about unknown RATIONAL() and DATA() "fn calls"
-# via undocumented :( global table
-> `codegen/C/function/informed`['RATIONAL'] := true;
-> `codegen/C/function/informed`['DATA'] := true;
->
-> ftruncate(file_name);
->
-# optimized computation sequence for all the coefficients
-# (may use local variables t0,t1,t2,...)
-> cmpt_list := [codegen[optimize](coeff_list2, tryhard)];
->
-# list of the t0,t1,t2,... local variables
-> temp_name_list := nonmatching_names(map(lhs,cmpt_list), coeff_name_prefix);
->
-# declare the t0,t1,t2,... local variables (if there are any)
-> if (nops(temp_name_list) > 0)
-> then print_name_list_dcl(%, temp_name_type, file_name);
-> fi;
->
-# now print the optimized computation sequence
-> codegen[C](cmpt_list, filename=file_name);
->
-> fclose(file_name);
->
-> NULL;
-> end proc;
-print_coeffs__lc_of_data := proc(
-coeff_list::list(specfunc(numeric, COEFF) = algebraic),
-coeff_name_prefix::string, temp_name_type::string, file_name::string)
-local coeff_list2, cmpt_list, temp_name_list;
-global `codegen/C/function/informed`;
- coeff_list2 := map(proc(
- coeff_eqn::(specfunc(numeric, COEFF) = algebraic))
- local posn;
- posn := [op(lhs(coeff_eqn))];
- coeff_name(posn, coeff_name_prefix);
- convert(%, name);
- % = fix_rationals(rhs(coeff_eqn))
- end proc, coeff_list);
- `codegen/C/function/informed`['RATIONAL'] := true;
- `codegen/C/function/informed`['DATA'] := true;
- ftruncate(file_name);
- cmpt_list := [codegen[optimize](coeff_list2, tryhard)];
- temp_name_list :=
- nonmatching_names(map(lhs, cmpt_list), coeff_name_prefix);
- if 0 < nops(temp_name_list) then
- print_name_list_dcl(%, temp_name_type, file_name)
- end if;
- codegen[C](cmpt_list, filename = file_name);
- fclose(file_name);
- NULL
-end proc
-
->
-################################################################################
->
-#
-# This function prints a sequence of C expression to assign the data-value
-# variables, eg
-# data->data_m1_p1 = DATA(-1,1);
-#
-# Arguments:
-# posn_list = The same list of positions as was used to compute the
-# interpolating polynomial.
-# data_var_name_prefix = A prefix string for the data variable names.
-# file_name = The file name to write the coefficients to. This is
-# truncated before writing.
-#
-> print_fetch_data :=
-> proc(
-> posn_list::list(list(numeric)),
-> data_var_name_prefix::string,
-> file_name::string
-> )
->
-> ftruncate(file_name);
-> map(
-> proc(posn::list(numeric))
-> fprintf(file_name,
-> "%s = %a;\n",
-> data_var_name(posn,data_var_name_prefix),
-> DATA(op(posn)));
-> end proc
-> ,
-> posn_list
-> );
-> fclose(file_name);
->
-> NULL;
-> end proc;
-print_fetch_data := proc(posn_list::list(list(numeric)),
-data_var_name_prefix::string, file_name::string)
- ftruncate(file_name);
- map(proc(posn::list(numeric))
- fprintf(file_name, "%s = %a;\n",
- data_var_name(posn, data_var_name_prefix), DATA(op(posn)))
- end proc, posn_list);
- fclose(file_name);
- NULL
-end proc
-
->
-################################################################################
->
-#
-# This function prints a sequence of C expression to store the interpolation
-# coefficients in COEFF(...) expressions, eg
-# COEFF(1,-1) = factor * coeffs->coeff_p1_m1;
-#
-# Arguments:
-# posn_list = The list of positions in the molecule.
-# coeff_name_prefix = A prefix string for the coefficient names,
-# eg "factor * coeffs->coeff_"
-# file_name = The file name to write the coefficients to. This is
-# truncated before writing.
-#
-> print_store_coeffs :=
-> proc(
-> posn_list::list(list(numeric)),
-> coeff_name_prefix::string,
-> file_name::string
-> )
->
-> ftruncate(file_name);
-> map(
-> proc(posn::list(numeric))
-> fprintf(file_name,
-> "%a = %s;\n",
-> 'COEFF'(op(posn)),
-> coeff_name(posn,coeff_name_prefix));
-> end proc
-> ,
-> posn_list
-> );
-> fclose(file_name);
->
-> NULL;
-> end proc;
-print_store_coeffs := proc(posn_list::list(list(numeric)),
-coeff_name_prefix::string, file_name::string)
- ftruncate(file_name);
- map(proc(posn::list(numeric))
- fprintf(file_name, "%a = %s;\n", 'COEFF'(op(posn)),
- coeff_name(posn, coeff_name_prefix))
- end proc, posn_list);
- fclose(file_name);
- NULL
-end proc
-
->
-################################################################################
->
-#
-# This function prints a C expression to evaluate a molecule, i.e.
-# to compute the molecule as a linear combination of the data values.
-#
-# Arguments:
-# posn_list = The list of positions in the molecule.
-# coeff_name_prefix = A prefix string for the coefficient names.
-# data_var_name_prefix = A prefix string for the data variable names.
-# file_name = The file name to write the coefficients to. This is
-# truncated before writing.
-#
-> print_evaluate_molecule :=
-> proc(
-> posn_list::list(list(numeric)),
-> coeff_name_prefix::string,
-> data_var_name_prefix::string,
-> file_name::string
-> )
->
-> ftruncate(file_name);
->
-# list of "coeff*data_var" terms
-> map(
-> proc(posn::list(numeric))
-> sprintf("%s*%s",
-> coeff_name(posn,coeff_name_prefix),
-> data_var_name(posn,data_var_name_prefix));
-> end proc
-> ,
-> posn_list
-> );
->
-> ListTools[Join](%, "\n + ");
-> cat(op(%));
-> fprintf(file_name, " %s;\n", %);
->
-> fclose(file_name);
->
-> NULL;
-> end proc;
-print_evaluate_molecule := proc(posn_list::list(list(numeric)),
-coeff_name_prefix::string, data_var_name_prefix::string, file_name::string)
- ftruncate(file_name);
- map(proc(posn::list(numeric))
- sprintf("%s*%s", coeff_name(posn, coeff_name_prefix),
- data_var_name(posn, data_var_name_prefix))
- end proc, posn_list);
- ListTools[Join](%, "\n + ");
- cat(op(%));
- fprintf(file_name, " %s;\n", %);
- fclose(file_name);
- NULL
-end proc
-
->
-################################################################################
-################################################################################
-################################################################################
->
-#
-# This function computes the name of the coefficient of the data at a
-# given [m] position, i.e. it encapsulates our naming convention for this.
-#
-# Arguments:
-# posn = (in) The [m] coordinates.
-# name_prefix = A prefix string for the coefficient name.
-#
-# Results:
-# The function returns the coefficient, as a Maple string.
-#
-> coeff_name :=
-> proc(posn::list(numeric), name_prefix::string)
-> cat(name_prefix, sprint_numeric_list(posn));
-> end proc;
-coeff_name := proc(posn::list(numeric), name_prefix::string)
- cat(name_prefix, sprint_numeric_list(posn))
-end proc
-
->
-################################################################################
->
-#
-# This function computes the name of the variable in which the C code
-# will store the input data at a given [m] position, i.e. it encapsulates
-# our naming convention for this.
-#
-# Arguments:
-# posn = (in) The [m] coordinates.
-# name_prefix = A prefix string for the variable name.
-#
-# Results:
-# The function returns the variable name, as a Maple string.
-#
-> data_var_name :=
-> proc(posn::list(numeric), name_prefix::string)
-> cat(name_prefix, sprint_numeric_list(posn));
-> end proc;
-data_var_name := proc(posn::list(numeric), name_prefix::string)
- cat(name_prefix, sprint_numeric_list(posn))
-end proc
-
-# Maple code to compute lists of point positions in hypercube-shaped molecules
-# $Header: /cactusdevcvs/CactusBase/LocalInterp/src/GeneralizedPolynomial-Uniform/common/cube_posns.maple,v 1.3 2002/08/20 16:56:41 jthorn Exp $
->
-################################################################################
->
-#
-# 1D interpolation points
-#
-> posn_list_1d_size2 := hypercube_points([ 0], [+1]);
- posn_list_1d_size2 := [[0], [1]]
-
-> posn_list_1d_size3 := hypercube_points([-1], [+1]);
- posn_list_1d_size3 := [[-1], [0], [1]]
-
-> posn_list_1d_size4 := hypercube_points([-1], [+2]);
- posn_list_1d_size4 := [[-1], [0], [1], [2]]
-
-> posn_list_1d_size5 := hypercube_points([-2], [+2]);
- posn_list_1d_size5 := [[-2], [-1], [0], [1], [2]]
-
-> posn_list_1d_size6 := hypercube_points([-2], [+3]);
- posn_list_1d_size6 := [[-2], [-1], [0], [1], [2], [3]]
-
-> posn_list_1d_size7 := hypercube_points([-3], [+3]);
- posn_list_1d_size7 := [[-3], [-2], [-1], [0], [1], [2], [3]]
-
->
-################################################################################
->
-#
-# 2D interpolation points (Fortran ordering)
-#
-> posn_list_2d_size2 := map(ListTools[Reverse],
-> hypercube_points([ 0, 0], [+1,+1]));
- posn_list_2d_size2 := [[0, 0], [1, 0], [0, 1], [1, 1]]
-
-> posn_list_2d_size3 := map(ListTools[Reverse],
-> hypercube_points([-1,-1], [+1,+1]));
-posn_list_2d_size3 := [[-1, -1], [0, -1], [1, -1], [-1, 0], [0, 0], [1, 0],
-
- [-1, 1], [0, 1], [1, 1]]
-
-> posn_list_2d_size4 := map(ListTools[Reverse],
-> hypercube_points([-1,-1], [+2,+2]));
-posn_list_2d_size4 := [[-1, -1], [0, -1], [1, -1], [2, -1], [-1, 0], [0, 0],
-
- [1, 0], [2, 0], [-1, 1], [0, 1], [1, 1], [2, 1], [-1, 2], [0, 2], [1, 2],
-
- [2, 2]]
-
-> posn_list_2d_size5 := map(ListTools[Reverse],
-> hypercube_points([-2,-2], [+2,+2]));
-posn_list_2d_size5 := [[-2, -2], [-1, -2], [0, -2], [1, -2], [2, -2], [-2, -1],
-
- [-1, -1], [0, -1], [1, -1], [2, -1], [-2, 0], [-1, 0], [0, 0], [1, 0],
-
- [2, 0], [-2, 1], [-1, 1], [0, 1], [1, 1], [2, 1], [-2, 2], [-1, 2], [0, 2],
-
- [1, 2], [2, 2]]
-
-> posn_list_2d_size6 := map(ListTools[Reverse],
-> hypercube_points([-2,-2], [+3,+3]));
-posn_list_2d_size6 := [[-2, -2], [-1, -2], [0, -2], [1, -2], [2, -2], [3, -2],
-
- [-2, -1], [-1, -1], [0, -1], [1, -1], [2, -1], [3, -1], [-2, 0], [-1, 0],
-
- [0, 0], [1, 0], [2, 0], [3, 0], [-2, 1], [-1, 1], [0, 1], [1, 1], [2, 1],
-
- [3, 1], [-2, 2], [-1, 2], [0, 2], [1, 2], [2, 2], [3, 2], [-2, 3], [-1, 3],
-
- [0, 3], [1, 3], [2, 3], [3, 3]]
-
->
-################################################################################
->
-#
-# 3D interpolation points (Fortran ordering)
-#
-> posn_list_3d_size2 := map(ListTools[Reverse],
-> hypercube_points([ 0, 0, 0], [+1,+1,+1]));
-posn_list_3d_size2 := [[0, 0, 0], [1, 0, 0], [0, 1, 0], [1, 1, 0], [0, 0, 1],
-
- [1, 0, 1], [0, 1, 1], [1, 1, 1]]
-
-> posn_list_3d_size3 := map(ListTools[Reverse],
-> hypercube_points([-1,-1,-1], [+1,+1,+1]));
-posn_list_3d_size3 := [[-1, -1, -1], [0, -1, -1], [1, -1, -1], [-1, 0, -1],
-
- [0, 0, -1], [1, 0, -1], [-1, 1, -1], [0, 1, -1], [1, 1, -1], [-1, -1, 0],
-
- [0, -1, 0], [1, -1, 0], [-1, 0, 0], [0, 0, 0], [1, 0, 0], [-1, 1, 0],
-
- [0, 1, 0], [1, 1, 0], [-1, -1, 1], [0, -1, 1], [1, -1, 1], [-1, 0, 1],
-
- [0, 0, 1], [1, 0, 1], [-1, 1, 1], [0, 1, 1], [1, 1, 1]]
-
-> posn_list_3d_size4 := map(ListTools[Reverse],
-> hypercube_points([-1,-1,-1], [+2,+2,+2]));
-posn_list_3d_size4 := [[-1, -1, -1], [0, -1, -1], [1, -1, -1], [2, -1, -1],
-
- [-1, 0, -1], [0, 0, -1], [1, 0, -1], [2, 0, -1], [-1, 1, -1], [0, 1, -1],
-
- [1, 1, -1], [2, 1, -1], [-1, 2, -1], [0, 2, -1], [1, 2, -1], [2, 2, -1],
-
- [-1, -1, 0], [0, -1, 0], [1, -1, 0], [2, -1, 0], [-1, 0, 0], [0, 0, 0],
-
- [1, 0, 0], [2, 0, 0], [-1, 1, 0], [0, 1, 0], [1, 1, 0], [2, 1, 0],
-
- [-1, 2, 0], [0, 2, 0], [1, 2, 0], [2, 2, 0], [-1, -1, 1], [0, -1, 1],
-
- [1, -1, 1], [2, -1, 1], [-1, 0, 1], [0, 0, 1], [1, 0, 1], [2, 0, 1],
-
- [-1, 1, 1], [0, 1, 1], [1, 1, 1], [2, 1, 1], [-1, 2, 1], [0, 2, 1],
-
- [1, 2, 1], [2, 2, 1], [-1, -1, 2], [0, -1, 2], [1, -1, 2], [2, -1, 2],
-
- [-1, 0, 2], [0, 0, 2], [1, 0, 2], [2, 0, 2], [-1, 1, 2], [0, 1, 2],
-
- [1, 1, 2], [2, 1, 2], [-1, 2, 2], [0, 2, 2], [1, 2, 2], [2, 2, 2]]
-
-> posn_list_3d_size5 := map(ListTools[Reverse],
-> hypercube_points([-2,-2,-2], [+2,+2,+2]));
-posn_list_3d_size5 := [[-2, -2, -2], [-1, -2, -2], [0, -2, -2], [1, -2, -2],
-
- [2, -2, -2], [-2, -1, -2], [-1, -1, -2], [0, -1, -2], [1, -1, -2],
-
- [2, -1, -2], [-2, 0, -2], [-1, 0, -2], [0, 0, -2], [1, 0, -2], [2, 0, -2],
-
- [-2, 1, -2], [-1, 1, -2], [0, 1, -2], [1, 1, -2], [2, 1, -2], [-2, 2, -2],
-
- [-1, 2, -2], [0, 2, -2], [1, 2, -2], [2, 2, -2], [-2, -2, -1], [-1, -2, -1],
-
- [0, -2, -1], [1, -2, -1], [2, -2, -1], [-2, -1, -1], [-1, -1, -1],
-
- [0, -1, -1], [1, -1, -1], [2, -1, -1], [-2, 0, -1], [-1, 0, -1], [0, 0, -1],
-
- [1, 0, -1], [2, 0, -1], [-2, 1, -1], [-1, 1, -1], [0, 1, -1], [1, 1, -1],
-
- [2, 1, -1], [-2, 2, -1], [-1, 2, -1], [0, 2, -1], [1, 2, -1], [2, 2, -1],
-
- [-2, -2, 0], [-1, -2, 0], [0, -2, 0], [1, -2, 0], [2, -2, 0], [-2, -1, 0],
-
- [-1, -1, 0], [0, -1, 0], [1, -1, 0], [2, -1, 0], [-2, 0, 0], [-1, 0, 0],
-
- [0, 0, 0], [1, 0, 0], [2, 0, 0], [-2, 1, 0], [-1, 1, 0], [0, 1, 0],
-
- [1, 1, 0], [2, 1, 0], [-2, 2, 0], [-1, 2, 0], [0, 2, 0], [1, 2, 0],
-
- [2, 2, 0], [-2, -2, 1], [-1, -2, 1], [0, -2, 1], [1, -2, 1], [2, -2, 1],
-
- [-2, -1, 1], [-1, -1, 1], [0, -1, 1], [1, -1, 1], [2, -1, 1], [-2, 0, 1],
-
- [-1, 0, 1], [0, 0, 1], [1, 0, 1], [2, 0, 1], [-2, 1, 1], [-1, 1, 1],
-
- [0, 1, 1], [1, 1, 1], [2, 1, 1], [-2, 2, 1], [-1, 2, 1], [0, 2, 1],
-
- [1, 2, 1], [2, 2, 1], [-2, -2, 2], [-1, -2, 2], [0, -2, 2], [1, -2, 2],
-
- [2, -2, 2], [-2, -1, 2], [-1, -1, 2], [0, -1, 2], [1, -1, 2], [2, -1, 2],
-
- [-2, 0, 2], [-1, 0, 2], [0, 0, 2], [1, 0, 2], [2, 0, 2], [-2, 1, 2],
-
- [-1, 1, 2], [0, 1, 2], [1, 1, 2], [2, 1, 2], [-2, 2, 2], [-1, 2, 2],
-
- [0, 2, 2], [1, 2, 2], [2, 2, 2]]
-
-> posn_list_3d_size6 := map(ListTools[Reverse],
-> hypercube_points([-2,-2,-2], [+3,+3,+3]));
-posn_list_3d_size6 := [[-2, -2, -2], [-1, -2, -2], [0, -2, -2], [1, -2, -2],
-
- [2, -2, -2], [3, -2, -2], [-2, -1, -2], [-1, -1, -2], [0, -1, -2],
-
- [1, -1, -2], [2, -1, -2], [3, -1, -2], [-2, 0, -2], [-1, 0, -2], [0, 0, -2],
-
- [1, 0, -2], [2, 0, -2], [3, 0, -2], [-2, 1, -2], [-1, 1, -2], [0, 1, -2],
-
- [1, 1, -2], [2, 1, -2], [3, 1, -2], [-2, 2, -2], [-1, 2, -2], [0, 2, -2],
-
- [1, 2, -2], [2, 2, -2], [3, 2, -2], [-2, 3, -2], [-1, 3, -2], [0, 3, -2],
-
- [1, 3, -2], [2, 3, -2], [3, 3, -2], [-2, -2, -1], [-1, -2, -1], [0, -2, -1],
-
- [1, -2, -1], [2, -2, -1], [3, -2, -1], [-2, -1, -1], [-1, -1, -1],
-
- [0, -1, -1], [1, -1, -1], [2, -1, -1], [3, -1, -1], [-2, 0, -1],
-
- [-1, 0, -1], [0, 0, -1], [1, 0, -1], [2, 0, -1], [3, 0, -1], [-2, 1, -1],
-
- [-1, 1, -1], [0, 1, -1], [1, 1, -1], [2, 1, -1], [3, 1, -1], [-2, 2, -1],
-
- [-1, 2, -1], [0, 2, -1], [1, 2, -1], [2, 2, -1], [3, 2, -1], [-2, 3, -1],
-
- [-1, 3, -1], [0, 3, -1], [1, 3, -1], [2, 3, -1], [3, 3, -1], [-2, -2, 0],
-
- [-1, -2, 0], [0, -2, 0], [1, -2, 0], [2, -2, 0], [3, -2, 0], [-2, -1, 0],
-
- [-1, -1, 0], [0, -1, 0], [1, -1, 0], [2, -1, 0], [3, -1, 0], [-2, 0, 0],
-
- [-1, 0, 0], [0, 0, 0], [1, 0, 0], [2, 0, 0], [3, 0, 0], [-2, 1, 0],
-
- [-1, 1, 0], [0, 1, 0], [1, 1, 0], [2, 1, 0], [3, 1, 0], [-2, 2, 0],
-
- [-1, 2, 0], [0, 2, 0], [1, 2, 0], [2, 2, 0], [3, 2, 0], [-2, 3, 0],
-
- [-1, 3, 0], [0, 3, 0], [1, 3, 0], [2, 3, 0], [3, 3, 0], [-2, -2, 1],
-
- [-1, -2, 1], [0, -2, 1], [1, -2, 1], [2, -2, 1], [3, -2, 1], [-2, -1, 1],
-
- [-1, -1, 1], [0, -1, 1], [1, -1, 1], [2, -1, 1], [3, -1, 1], [-2, 0, 1],
-
- [-1, 0, 1], [0, 0, 1], [1, 0, 1], [2, 0, 1], [3, 0, 1], [-2, 1, 1],
-
- [-1, 1, 1], [0, 1, 1], [1, 1, 1], [2, 1, 1], [3, 1, 1], [-2, 2, 1],
-
- [-1, 2, 1], [0, 2, 1], [1, 2, 1], [2, 2, 1], [3, 2, 1], [-2, 3, 1],
-
- [-1, 3, 1], [0, 3, 1], [1, 3, 1], [2, 3, 1], [3, 3, 1], [-2, -2, 2],
-
- [-1, -2, 2], [0, -2, 2], [1, -2, 2], [2, -2, 2], [3, -2, 2], [-2, -1, 2],
-
- [-1, -1, 2], [0, -1, 2], [1, -1, 2], [2, -1, 2], [3, -1, 2], [-2, 0, 2],
-
- [-1, 0, 2], [0, 0, 2], [1, 0, 2], [2, 0, 2], [3, 0, 2], [-2, 1, 2],
-
- [-1, 1, 2], [0, 1, 2], [1, 1, 2], [2, 1, 2], [3, 1, 2], [-2, 2, 2],
-
- [-1, 2, 2], [0, 2, 2], [1, 2, 2], [2, 2, 2], [3, 2, 2], [-2, 3, 2],
-
- [-1, 3, 2], [0, 3, 2], [1, 3, 2], [2, 3, 2], [3, 3, 2], [-2, -2, 3],
-
- [-1, -2, 3], [0, -2, 3], [1, -2, 3], [2, -2, 3], [3, -2, 3], [-2, -1, 3],
-
- [-1, -1, 3], [0, -1, 3], [1, -1, 3], [2, -1, 3], [3, -1, 3], [-2, 0, 3],
-
- [-1, 0, 3], [0, 0, 3], [1, 0, 3], [2, 0, 3], [3, 0, 3], [-2, 1, 3],
-
- [-1, 1, 3], [0, 1, 3], [1, 1, 3], [2, 1, 3], [3, 1, 3], [-2, 2, 3],
-
- [-1, 2, 3], [0, 2, 3], [1, 2, 3], [2, 2, 3], [3, 2, 3], [-2, 3, 3],
-
- [-1, 3, 3], [0, 3, 3], [1, 3, 3], [2, 3, 3], [3, 3, 3]]
-
-# Maple code to define Lagrange interpolating functions/coords/coeffs
-# $Header: /cactusdevcvs/CactusBase/LocalInterp/src/GeneralizedPolynomial-Uniform/Lagrange/fns.maple,v 1.2 2002/08/20 16:31:24 jthorn Exp $
->
-################################################################################
->
-#
-# 1-D interpolating functions
-#
->
-> fn_1d_order1 :=
-> proc(x)
-> + c0 + c1*x
-> end proc;
- fn_1d_order1 := proc(x) c0 + c1*x end proc
-
->
-> fn_1d_order2 :=
-> proc(x)
-> + c0 + c1*x + c2*x^2
-> end proc;
- fn_1d_order2 := proc(x) c0 + c1*x + c2*x^2 end proc
-
->
-> fn_1d_order3 :=
-> proc(x)
-> + c0 + c1*x + c2*x^2 + c3*x^3
-> end proc;
- fn_1d_order3 := proc(x) c0 + c1*x + c2*x^2 + c3*x^3 end proc
-
->
-> fn_1d_order4 :=
-> proc(x)
-> + c0 + c1*x + c2*x^2 + c3*x^3 + c4*x^4
-> end;
- fn_1d_order4 := proc(x) c0 + c1*x + c2*x^2 + c3*x^3 + c4*x^4 end proc
-
->
-> fn_1d_order5 :=
-> proc(x)
-> + c0 + c1*x + c2*x^2 + c3*x^3 + c4*x^4 + c5*x^5
-> end;
- fn_1d_order5 := proc(x) c0 + c1*x + c2*x^2 + c3*x^3 + c4*x^4 + c5*x^5 end proc
-
->
-> fn_1d_order6 :=
-> proc(x)
-> + c0 + c1*x + c2*x^2 + c3*x^3 + c4*x^4 + c5*x^5 + c6*x^6
-> end;
-fn_1d_order6 :=
-
- proc(x) c0 + c1*x + c2*x^2 + c3*x^3 + c4*x^4 + c5*x^5 + c6*x^6 end proc
-
->
-########################################
->
-# coordinates for 1-D interpolating functions
-> coords_list_1d := [x];
- coords_list_1d := [x]
-
->
-########################################
->
-#
-# coefficients in 1-D interpolating functions
-#
->
-> coeffs_list_1d_order1 := [c0, c1];
- coeffs_list_1d_order1 := [c0, c1]
-
-> coeffs_list_1d_order2 := [c0, c1, c2];
- coeffs_list_1d_order2 := [c0, c1, c2]
-
-> coeffs_list_1d_order3 := [c0, c1, c2, c3];
- coeffs_list_1d_order3 := [c0, c1, c2, c3]
-
-> coeffs_list_1d_order4 := [c0, c1, c2, c3, c4];
- coeffs_list_1d_order4 := [c0, c1, c2, c3, c4]
-
-> coeffs_list_1d_order5 := [c0, c1, c2, c3, c4, c5];
- coeffs_list_1d_order5 := [c0, c1, c2, c3, c4, c5]
-
-> coeffs_list_1d_order6 := [c0, c1, c2, c3, c4, c5, c6];
- coeffs_list_1d_order6 := [c0, c1, c2, c3, c4, c5, c6]
-
->
-################################################################################
->
-#
-# 2-D interpolating functions
-#
->
-> fn_2d_order1 :=
-> proc(x,y)
-> + c01*y
-> + c00 + c10*x
-> end proc;
- fn_2d_order1 := proc(x, y) c01*y + c00 + c10*x end proc
-
->
-> fn_2d_order2 :=
-> proc(x,y)
-> + c02*y^2
-> + c01*y + c11*x*y
-> + c00 + c10*x + c20*x^2
-> end proc;
-fn_2d_order2 :=
-
- proc(x, y) c02*y^2 + c01*y + c11*x*y + c00 + c10*x + c20*x^2 end proc
-
->
-> fn_2d_order3 :=
-> proc(x,y)
-> + c03*y^3
-> + c02*y^2 + c12*x*y^2
-> + c01*y + c11*x*y + c21*x^2*y
-> + c00 + c10*x + c20*x^2 + c30*x^3
-> end proc;
-fn_2d_order3 := proc(x, y)
- c03*y^3 + c02*y^2 + c12*x*y^2 + c01*y + c11*x*y + c21*x^2*y + c00
- + c10*x + c20*x^2 + c30*x^3
-end proc
-
->
-> fn_2d_order4 :=
-> proc(x,y)
-> + c04*y^4
-> + c03*y^3 + c13*x*y^3
-> + c02*y^2 + c12*x*y^2 + c22*x^2*y^2
-> + c01*y + c11*x*y + c21*x^2*y + c31*x^3*y
-> + c00 + c10*x + c20*x^2 + c30*x^3 + c40*x^4
-> end;
-fn_2d_order4 := proc(x, y)
- c04*y^4 + c03*y^3 + c13*x*y^3 + c02*y^2 + c12*x*y^2 + c22*x^2*y^2
- + c01*y + c11*x*y + c21*x^2*y + c31*x^3*y + c00 + c10*x + c20*x^2
- + c30*x^3 + c40*x^4
-end proc
-
->
-########################################
->
-# coordinates for 2-D interpolating functions
-> coords_list_2d := [x,y];
- coords_list_2d := [x, y]
-
->
-########################################
->
-#
-# coefficients in 2-D interpolating functions
-#
->
-> coeffs_list_2d_order1 := [
-> c01,
-> c00, c10
-> ];
- coeffs_list_2d_order1 := [c01, c00, c10]
-
-> coeffs_list_2d_order2 := [
-> c02,
-> c01, c11,
-> c00, c10, c20
-> ];
- coeffs_list_2d_order2 := [c02, c01, c11, c00, c10, c20]
-
-> coeffs_list_2d_order3 := [
-> c03,
-> c02, c12,
-> c01, c11, c21,
-> c00, c10, c20, c30
-> ];
- coeffs_list_2d_order3 := [c03, c02, c12, c01, c11, c21, c00, c10, c20, c30]
-
-> coeffs_list_2d_order4 := [
-> c04,
-> c03, c13,
-> c02, c12, c22,
-> c01, c11, c21, c31,
-> c00, c10, c20, c30, c40
-> ];
-coeffs_list_2d_order4 :=
-
- [c04, c03, c13, c02, c12, c22, c01, c11, c21, c31, c00, c10, c20, c30, c40]
-
->
-################################################################################
->
-#
-# 3-D interpolating functions
-#
->
-> fn_3d_order1 :=
-> proc(x,y,z)
-# z^0 -----------
-> + c010*y
-> + c000 + c100*x
-# z^1 -----------
-> + c001*z
-> end proc;
- fn_3d_order1 := proc(x, y, z) c010*y + c000 + c100*x + c001*z end proc
-
->
-> fn_3d_order2 :=
-> proc(x,y,z)
-# z^0 --------------------------
-> + c020*y^2
-> + c010*y + c110*x*y
-> + c000 + c100*x + c200*x^2
-# z^1 --------------------------
-> + c011*y*z
-> + c001*z + c101*x*z
-# z^2 --------------------------
-> + c002*z^2
-> end proc;
-fn_3d_order2 := proc(x, y, z)
- c020*y^2 + c010*y + c110*x*y + c000 + c100*x + c200*x^2 + c011*y*z
- + c001*z + c101*x*z + c002*z^2
-end proc
-
->
-> fn_3d_order3 :=
-> proc(x,y,z)
-# z^0 -------------------------------------------
-> + c030*y^3
-> + c020*y^2 + c120*x*y^2
-> + c010*y + c110*x*y + c210*x^2*y
-> + c000 + c100*x + c200*x^2 + c300*x^3
-# z^1 -------------------------------------------
-> + c021*y^2*z
-> + c011*y *z + c111*x*y*z
-> + c001 *z + c101*x *z + c201*x^2*z
-# z^2 -------------------------------------------
-> + c012*y*z^2
-> + c002 *z^2 + c102*x*z^2
-# z^3 -------------------------------------------
-> + c003 *z^3
-> end proc;
-fn_3d_order3 := proc(x, y, z)
- c030*y^3 + c020*y^2 + c120*x*y^2 + c010*y + c110*x*y + c210*x^2*y
- + c000 + c100*x + c200*x^2 + c300*x^3 + c021*y^2*z + c011*y*z
- + c111*x*y*z + c001*z + c101*x*z + c201*x^2*z + c012*y*z^2 + c002*z^2
- + c102*x*z^2 + c003*z^3
-end proc
-
->
-> fn_3d_order4 :=
-> proc(x,y,z)
-# z^0 --------------------------------------------------------
-> + c040*y^4
-> + c030*y^3 + c130*x*y^3
-> + c020*y^2 + c120*x*y^2 + c220*x^2*y^2
-> + c010*y + c110*x*y + c210*x^2*y + c310*x^3*y
-> + c000 + c100*x + c200*x^2 + c300*x^3 + c400*x^4
-# z^1 -------------------------------------------
-> + c031*y^3*z
-> + c021*y^2*z + c121*x*y^2*z
-> + c011*y *z + c111*x*y *z + c211*x^2*y*z
-> + c001 *z + c101*x *z + c201*x^2 *z + c301*x^3*z
-# z^2 -------------------------------------------
-> + c022*y^2*z^2
-> + c012*y *z^2 + c112*x*y*z^2
-> + c002 *z^2 + c102*x *z^2 + c202*x^2*z^2
-# z^3 -------------------------------------------
-> + c013*y *z^3
-> + c003 *z^3 + c103*x *z^3
-# z^4 -------------------------------------------
-> + c004 *z^4
-> end;
-fn_3d_order4 := proc(x, y, z)
- c102*x*z^2 + c012*y*z^2 + c111*x*y*z + c121*x*y^2*z + c211*x^2*y*z
- + c112*x*y*z^2 + c010*y + c110*x*y + c011*y*z + c101*x*z + c120*x*y^2
- + c210*x^2*y + c021*y^2*z + c201*x^2*z + c130*x*y^3 + c220*x^2*y^2
- + c310*x^3*y + c031*y^3*z + c301*x^3*z + c022*y^2*z^2 + c202*x^2*z^2
- + c013*y*z^3 + c103*x*z^3 + c000 + c100*x + c001*z + c020*y^2
- + c200*x^2 + c002*z^2 + c030*y^3 + c300*x^3 + c003*z^3 + c040*y^4
- + c400*x^4 + c004*z^4
-end proc
-
->
-########################################
->
-# coordinates for 3-D interpolating functions
-> coords_list_3d := [x,y,z];
- coords_list_3d := [x, y, z]
-
->
-########################################
->
-#
-# coefficients in 3-D interpolating functions
-#
->
-> coeffs_list_3d_order1 := [
-> # z^0 -----
-> c010,
-> c000, c100,
-> # z^1 -----
-> c001
-> ];
- coeffs_list_3d_order1 := [c010, c000, c100, c001]
-
-> coeffs_list_3d_order2 := [
-> # z^0 -----------
-> c020,
-> c010, c110,
-> c000, c100, c200,
-> # z^1 -----------
-> c011,
-> c001, c101,
-> # z^2 -----------
-> c002
-> ];
-coeffs_list_3d_order2 :=
-
- [c020, c010, c110, c000, c100, c200, c011, c001, c101, c002]
-
-> coeffs_list_3d_order3 := [
-> # z^0 ----------------
-> c030,
-> c020, c120,
-> c010, c110, c210,
-> c000, c100, c200, c300,
-> # z^1 ----------------
-> c021,
-> c011, c111,
-> c001, c101, c201,
-> # z^2 ----------------
-> c012,
-> c002, c102,
-> # z^3 ----------------
-> c003
-> ];
-coeffs_list_3d_order3 := [c030, c020, c120, c010, c110, c210, c000, c100, c200,
-
- c300, c021, c011, c111, c001, c101, c201, c012, c002, c102, c003]
-
-> coeffs_list_3d_order4 := [
-> # z^0 -----------------------
-> c040,
-> c030, c130,
-> c020, c120, c220,
-> c010, c110, c210, c310,
-> c000, c100, c200, c300, c400,
-> # z^1 -----------------------
-> c031,
-> c021, c121,
-> c011, c111, c211,
-> c001, c101, c201, c301,
-> # z^2 -----------------------
-> c022,
-> c012, c112,
-> c002, c102, c202,
-> # z^3 -----------------------
-> c013,
-> c003, c103,
-> # z^4 -----------------------
-> c004
-> ];
-coeffs_list_3d_order4 := [c040, c030, c130, c020, c120, c220, c010, c110, c210,
-
- c310, c000, c100, c200, c300, c400, c031, c021, c121, c011, c111, c211,
-
- c001, c101, c201, c301, c022, c012, c112, c002, c102, c202, c013, c003,
-
- c103, c004]
-
->
-################################################################################
-# 2d.maple -- compute Lagrange interpolation coefficients in 2-D
-# $Header: /cactusdevcvs/CactusBase/LocalInterp/src/GeneralizedPolynomial-Uniform/Lagrange/2d.maple,v 1.2 2002/08/20 16:31:24 jthorn Exp $
->
-################################################################################
->
-#
-# 2d, cube, order=1, smoothing=0 (size=2)
-#
->
-# interpolating polynomial
-> interp_2d_cube_order1_smooth0
-> := Lagrange_polynomial_interpolant(fn_2d_order1, coeffs_list_2d_order1,
-> coords_list_2d, posn_list_2d_size2);
-interp_2d_cube_order1_smooth0 :=
-
- (1/2 DATA(1, 1) - 1/2 DATA(0, 0) - 1/2 DATA(1, 0) + 1/2 DATA(0, 1)) y
-
- - 1/4 DATA(1, 1) + 3/4 DATA(0, 0) + 1/4 DATA(1, 0) + 1/4 DATA(0, 1)
-
- + (1/2 DATA(1, 1) - 1/2 DATA(0, 0) + 1/2 DATA(1, 0) - 1/2 DATA(0, 1)) x
-
->
-# I
-> coeffs_as_lc_of_data(%, posn_list_2d_size2);
-[COEFF(0, 0) = 3/4 - 1/2 y - 1/2 x, COEFF(1, 0) = 1/4 - 1/2 y + 1/2 x,
-
- COEFF(0, 1) = - 1/2 x + 1/4 + 1/2 y, COEFF(1, 1) = 1/2 y - 1/4 + 1/2 x]
-
-> print_coeffs__lc_of_data(%, "coeffs_I->coeff_", "fp",
-> "2d.coeffs/2d.cube.order1.smooth0/coeffs-I.compute.c");
-bytes used=1000980, alloc=917336, time=0.08
->
-# d/dx
-> simplify( diff(interp_2d_cube_order1_smooth0,x) );
- 1/2 DATA(1, 1) - 1/2 DATA(0, 0) + 1/2 DATA(1, 0) - 1/2 DATA(0, 1)
-
-> coeffs_as_lc_of_data(%, posn_list_2d_size2);
- [COEFF(0, 0) = -1/2, COEFF(1, 0) = 1/2, COEFF(0, 1) = -1/2, COEFF(1, 1) = 1/2]
-
-> print_coeffs__lc_of_data(%, "coeffs_dx->coeff_", "fp",
-> "2d.coeffs/2d.cube.order1.smooth0/coeffs-dx.compute.c");
->
-# d/dy
-> simplify( diff(interp_2d_cube_order1_smooth0,y) );
- 1/2 DATA(1, 1) - 1/2 DATA(0, 0) - 1/2 DATA(1, 0) + 1/2 DATA(0, 1)
-
-> coeffs_as_lc_of_data(%, posn_list_2d_size2);
-bytes used=2001372, alloc=1376004, time=0.15
- [COEFF(0, 0) = -1/2, COEFF(1, 0) = -1/2, COEFF(0, 1) = 1/2, COEFF(1, 1) = 1/2]
-
-> print_coeffs__lc_of_data(%, "coeffs_dy->coeff_", "fp",
-> "2d.coeffs/2d.cube.order1.smooth0/coeffs-dy.compute.c");
->
-################################################################################
->
-#
-# 2d, cube, order=2, smoothing=0 (size=3)
-#
->
-# interpolating polynomial
-> interp_2d_cube_order2_smooth0
-> := Lagrange_polynomial_interpolant(fn_2d_order2, coeffs_list_2d_order2,
-> coords_list_2d, posn_list_2d_size3);
-interp_2d_cube_order2_smooth0 := (1/6 DATA(0, 1) + 1/6 DATA(1, -1)
-
- + 1/6 DATA(0, -1) - 1/3 DATA(0, 0) + 1/6 DATA(-1, -1) + 1/6 DATA(1, 1)
-
- 2
- - 1/3 DATA(-1, 0) - 1/3 DATA(1, 0) + 1/6 DATA(-1, 1)) y + (
-
- 1/6 DATA(-1, 1) - 1/6 DATA(-1, -1) - 1/6 DATA(0, -1) - 1/6 DATA(1, -1)
-
- + 1/6 DATA(1, 1) + 1/6 DATA(0, 1)) y +
-
- (1/4 DATA(1, 1) + 1/4 DATA(-1, -1) - 1/4 DATA(1, -1) - 1/4 DATA(-1, 1)) x y
-
- + 2/9 DATA(0, 1) - 1/9 DATA(1, -1) + 2/9 DATA(0, -1) + 5/9 DATA(0, 0)
-
- - 1/9 DATA(-1, -1) - 1/9 DATA(1, 1) + 2/9 DATA(-1, 0) + 2/9 DATA(1, 0)
-
- - 1/9 DATA(-1, 1) + (1/6 DATA(1, 0) - 1/6 DATA(-1, -1) + 1/6 DATA(1, -1)
-
- - 1/6 DATA(-1, 0) - 1/6 DATA(-1, 1) + 1/6 DATA(1, 1)) x + (
-
- - 1/3 DATA(0, 1) + 1/6 DATA(1, -1) - 1/3 DATA(0, -1) - 1/3 DATA(0, 0)
-
- + 1/6 DATA(-1, -1) + 1/6 DATA(1, 1) + 1/6 DATA(-1, 0) + 1/6 DATA(1, 0)
-
- 2
- + 1/6 DATA(-1, 1)) x
-
->
-# I
-> coeffs_as_lc_of_data(%, posn_list_2d_size3);
- 2 2
-[COEFF(-1, -1) = - 1/9 + 1/6 y - 1/6 y - 1/6 x + 1/4 x y + 1/6 x ,
-
- 2 2
- COEFF(0, -1) = 2/9 - 1/6 y + 1/6 y - 1/3 x ,
-
- 2 2
- COEFF(1, -1) = - 1/6 y - 1/4 x y - 1/9 + 1/6 x + 1/6 y + 1/6 x ,
-
- 2 2
- COEFF(-1, 0) = - 1/3 y - 1/6 x + 1/6 x + 2/9,
-
- 2 2
- COEFF(0, 0) = - 1/3 y - 1/3 x + 5/9,
-
- 2 2
- COEFF(1, 0) = - 1/3 y + 1/6 x + 2/9 + 1/6 x ,
-
- 2 2
- COEFF(-1, 1) = 1/6 y + 1/6 y + 1/6 x - 1/6 x - 1/4 x y - 1/9,
-
- 2 2
- COEFF(0, 1) = 1/6 y + 1/6 y - 1/3 x + 2/9,
-
- 2 2
- COEFF(1, 1) = 1/6 y + 1/6 x - 1/9 + 1/6 y + 1/6 x + 1/4 x y]
-
-> print_coeffs__lc_of_data(%, "coeffs_I->coeff_", "fp",
-> "2d.coeffs/2d.cube.order2.smooth0/coeffs-I.compute.c");
-bytes used=3001624, alloc=1769148, time=0.22
-bytes used=4001856, alloc=1834672, time=0.29
->
-# d/dx
-> simplify( diff(interp_2d_cube_order2_smooth0,x) );
-1/4 y DATA(1, 1) + 1/4 y DATA(-1, -1) - 1/4 y DATA(1, -1) - 1/4 y DATA(-1, 1)
-
- + 1/6 DATA(1, 0) - 1/6 DATA(-1, -1) + 1/6 DATA(1, -1) - 1/6 DATA(-1, 0)
-
- - 1/6 DATA(-1, 1) + 1/6 DATA(1, 1) - 2/3 x DATA(0, 1) + 1/3 x DATA(1, -1)
-
- - 2/3 x DATA(0, -1) - 2/3 x DATA(0, 0) + 1/3 x DATA(-1, -1)
-
- + 1/3 x DATA(1, 1) + 1/3 x DATA(-1, 0) + 1/3 x DATA(1, 0)
-
- + 1/3 x DATA(-1, 1)
-
-> coeffs_as_lc_of_data(%, posn_list_2d_size3);
-[COEFF(-1, -1) = 1/3 x + 1/4 y - 1/6, COEFF(0, -1) = - 2/3 x,
-
- COEFF(1, -1) = - 1/4 y + 1/3 x + 1/6, COEFF(-1, 0) = 1/3 x - 1/6,
-
- COEFF(0, 0) = - 2/3 x, COEFF(1, 0) = 1/3 x + 1/6,
-
- COEFF(-1, 1) = - 1/4 y - 1/6 + 1/3 x, COEFF(0, 1) = - 2/3 x,
-
- COEFF(1, 1) = 1/4 y + 1/6 + 1/3 x]
-
-> print_coeffs__lc_of_data(%, "coeffs_dx->coeff_", "fp",
-> "2d.coeffs/2d.cube.order2.smooth0/coeffs-dx.compute.c");
-bytes used=5002008, alloc=1834672, time=0.37
->
-# d/dy
-> simplify( diff(interp_2d_cube_order2_smooth0,y) );
-1/3 y DATA(0, 1) + 1/3 y DATA(1, -1) + 1/3 y DATA(0, -1) - 2/3 y DATA(0, 0)
-
- + 1/3 y DATA(-1, -1) + 1/3 y DATA(1, 1) - 2/3 y DATA(-1, 0)
-
- - 2/3 y DATA(1, 0) + 1/3 y DATA(-1, 1) + 1/6 DATA(-1, 1)
-
- - 1/6 DATA(-1, -1) - 1/6 DATA(0, -1) - 1/6 DATA(1, -1) + 1/6 DATA(1, 1)
-
- + 1/6 DATA(0, 1) + 1/4 x DATA(1, 1) + 1/4 x DATA(-1, -1)
-
- - 1/4 x DATA(1, -1) - 1/4 x DATA(-1, 1)
-
-> coeffs_as_lc_of_data(%, posn_list_2d_size3);
-[COEFF(-1, -1) = 1/4 x + 1/3 y - 1/6, COEFF(0, -1) = - 1/6 + 1/3 y,
-
- COEFF(1, -1) = - 1/6 - 1/4 x + 1/3 y, COEFF(-1, 0) = - 2/3 y,
-
- COEFF(0, 0) = - 2/3 y, COEFF(1, 0) = - 2/3 y,
-
- COEFF(-1, 1) = 1/3 y + 1/6 - 1/4 x, COEFF(0, 1) = 1/3 y + 1/6,
-
- COEFF(1, 1) = 1/3 y + 1/4 x + 1/6]
-
-> print_coeffs__lc_of_data(%, "coeffs_dy->coeff_", "fp",
-> "2d.coeffs/2d.cube.order2.smooth0/coeffs-dy.compute.c");
->
-# d^2/dx^2
-> simplify( diff(interp_2d_cube_order2_smooth0,x,x) );
-bytes used=6002212, alloc=1834672, time=0.42
-- 2/3 DATA(0, 1) + 1/3 DATA(1, -1) - 2/3 DATA(0, -1) - 2/3 DATA(0, 0)
-
- + 1/3 DATA(-1, -1) + 1/3 DATA(1, 1) + 1/3 DATA(-1, 0) + 1/3 DATA(1, 0)
-
- + 1/3 DATA(-1, 1)
-
-> coeffs_as_lc_of_data(%, posn_list_2d_size3);
-[COEFF(-1, -1) = 1/3, COEFF(0, -1) = -2/3, COEFF(1, -1) = 1/3,
-
- COEFF(-1, 0) = 1/3, COEFF(0, 0) = -2/3, COEFF(1, 0) = 1/3,
-
- COEFF(-1, 1) = 1/3, COEFF(0, 1) = -2/3, COEFF(1, 1) = 1/3]
-
-> print_coeffs__lc_of_data(%, "coeffs_dxx->coeff_", "fp",
-> "2d.coeffs/2d.cube.order2.smooth0/coeffs-dxx.compute.c");
->
-# d^2/dxdy
-> simplify( diff(interp_2d_cube_order2_smooth0,x,y) );
- 1/4 DATA(1, 1) + 1/4 DATA(-1, -1) - 1/4 DATA(1, -1) - 1/4 DATA(-1, 1)
-
-> coeffs_as_lc_of_data(%, posn_list_2d_size3);
-[COEFF(-1, -1) = 1/4, COEFF(0, -1) = 0, COEFF(1, -1) = -1/4, COEFF(-1, 0) = 0,
-
- COEFF(0, 0) = 0, COEFF(1, 0) = 0, COEFF(-1, 1) = -1/4, COEFF(0, 1) = 0,
-
- COEFF(1, 1) = 1/4]
-
-> print_coeffs__lc_of_data(%, "coeffs_dxy->coeff_", "fp",
-> "2d.coeffs/2d.cube.order2.smooth0/coeffs-dxy.compute.c");
->
-# d^2/dy^2
-> simplify( diff(interp_2d_cube_order2_smooth0,y,y) );
-1/3 DATA(0, 1) + 1/3 DATA(1, -1) + 1/3 DATA(0, -1) - 2/3 DATA(0, 0)
-
- + 1/3 DATA(-1, -1) + 1/3 DATA(1, 1) - 2/3 DATA(-1, 0) - 2/3 DATA(1, 0)
-
- + 1/3 DATA(-1, 1)
-
-> coeffs_as_lc_of_data(%, posn_list_2d_size3);
-[COEFF(-1, -1) = 1/3, COEFF(0, -1) = 1/3, COEFF(1, -1) = 1/3,
-
- COEFF(-1, 0) = -2/3, COEFF(0, 0) = -2/3, COEFF(1, 0) = -2/3,
-
- COEFF(-1, 1) = 1/3, COEFF(0, 1) = 1/3, COEFF(1, 1) = 1/3]
-
-> print_coeffs__lc_of_data(%, "coeffs_dyy->coeff_", "fp",
-> "2d.coeffs/2d.cube.order2.smooth0/coeffs-dyy.compute.c");
-bytes used=7002528, alloc=1834672, time=0.52
->
-################################################################################
->
-#
-# 2d, cube, order=3, smoothing=0 (size=4)
-#
->
-# interpolating polynomial
-> interp_2d_cube_order3_smooth0
-> := Lagrange_polynomial_interpolant(fn_2d_order3, coeffs_list_2d_order3,
-> coords_list_2d, posn_list_2d_size4);
-bytes used=8002908, alloc=1900196, time=0.59
-bytes used=9003224, alloc=1900196, time=0.65
-bytes used=10004308, alloc=1965720, time=0.71
-bytes used=11004468, alloc=1965720, time=0.77
-interp_2d_cube_order3_smooth0 := (- 3/40 DATA(2, 0) + 1/40 DATA(0, 0)
-
- - 1/40 DATA(1, 0) + 1/40 DATA(0, 1) - 1/40 DATA(1, 1) - 1/40 DATA(0, -1)
-
- - 3/40 DATA(-1, -1) + 1/40 DATA(1, -1) + 3/40 DATA(-1, 0)
-
- + 3/40 DATA(-1, 1) + 3/40 DATA(2, -1) - 1/40 DATA(0, 2) - 3/40 DATA(-1, 2)
-
- 2 /
- - 3/40 DATA(2, 1) + 1/40 DATA(1, 2) + 3/40 DATA(2, 2)) x y + |
- \
-
- 7/100 DATA(2, 0) - 1/25 DATA(0, 0) - 1/100 DATA(1, 0) - 1/100 DATA(0, 1)
-
- 13
- + 3/50 DATA(1, 1) - 1/50 DATA(0, -1) + 6/25 DATA(-1, -1) - --- DATA(1, -1)
- 100
-
- 13
- - 1/50 DATA(-1, 0) - --- DATA(-1, 1) - 9/100 DATA(2, -1)
- 100
-
- + 7/100 DATA(0, 2) - 9/100 DATA(-1, 2) + 2/25 DATA(2, 1) + 2/25 DATA(1, 2)
-
- \
- - 3/50 DATA(2, 2)| x y + (- 1/40 DATA(2, 0) + 1/40 DATA(0, 0)
- /
-
- + 1/40 DATA(1, 0) - 1/40 DATA(0, 1) - 1/40 DATA(1, 1) + 3/40 DATA(0, -1)
-
- - 3/40 DATA(-1, -1) + 3/40 DATA(1, -1) - 1/40 DATA(-1, 0)
-
- + 1/40 DATA(-1, 1) - 3/40 DATA(2, -1) - 3/40 DATA(0, 2) + 3/40 DATA(-1, 2)
-
- 2
- + 1/40 DATA(2, 1) - 3/40 DATA(1, 2) + 3/40 DATA(2, 2)) x y
-
- 13 93 37 37
- + --- DATA(2, 0) + --- DATA(0, 0) + --- DATA(1, 0) + --- DATA(0, 1)
- 100 200 200 200
-
- 17 11 23
- - --- DATA(1, 1) + -- DATA(0, -1) - --- DATA(-1, -1) - 1/50 DATA(1, -1)
- 200 50 200
-
- 11 17 13
- + -- DATA(-1, 0) - 1/50 DATA(-1, 1) - --- DATA(2, -1) + --- DATA(0, 2)
- 50 200 100
-
- 17
- - --- DATA(-1, 2) - 2/25 DATA(2, 1) - 2/25 DATA(1, 2) + 7/200 DATA(2, 2)
- 200
-
- + (1/8 DATA(2, 0) + 1/8 DATA(0, 0) + 1/8 DATA(1, 0) - 1/8 DATA(0, 1)
-
- - 1/8 DATA(1, 1) - 1/24 DATA(0, -1) - 1/24 DATA(-1, -1) - 1/24 DATA(1, -1)
-
- + 1/8 DATA(-1, 0) - 1/8 DATA(-1, 1) - 1/24 DATA(2, -1) + 1/24 DATA(0, 2)
-
- + 1/24 DATA(-1, 2) - 1/8 DATA(2, 1) + 1/24 DATA(1, 2) + 1/24 DATA(2, 2))
-
- 3 / 49 57 63 117
- y + |- --- DATA(2, 0) - --- DATA(0, 0) - --- DATA(1, 0) + --- DATA(0, 1)
- \ 400 400 400 400
-
- 103 223 109 157
- + --- DATA(1, 1) - ---- DATA(0, -1) - ---- DATA(-1, -1) - ---- DATA(1, -1)
- 400 1200 1200 1200
-
- 31 111 89 43
- - --- DATA(-1, 0) + --- DATA(-1, 1) + ---- DATA(2, -1) + ---- DATA(0, 2)
- 400 400 1200 1200
-
- 131 69 37 149 \
- - ---- DATA(-1, 2) + --- DATA(2, 1) + ---- DATA(1, 2) - ---- DATA(2, 2)| y
- 1200 400 1200 1200 /
-
- / 43 57 117 63
- + |---- DATA(2, 0) - --- DATA(0, 0) + --- DATA(1, 0) - --- DATA(0, 1)
- \1200 400 400 400
-
- 103 31 109 111
- + --- DATA(1, 1) - --- DATA(0, -1) - ---- DATA(-1, -1) + --- DATA(1, -1)
- 400 400 1200 400
-
- 223 157 131 49
- - ---- DATA(-1, 0) - ---- DATA(-1, 1) - ---- DATA(2, -1) - --- DATA(0, 2)
- 1200 1200 1200 400
-
- 89 37 69 149 \
- + ---- DATA(-1, 2) + ---- DATA(2, 1) + --- DATA(1, 2) - ---- DATA(2, 2)| x
- 1200 1200 400 1200 /
-
- / 21 19
- + |1/80 DATA(2, 0) - -- DATA(0, 0) + 9/80 DATA(1, 0) - -- DATA(0, 1)
- \ 80 80
-
- 11 23 13
- + -- DATA(1, 1) - -- DATA(0, -1) + -- DATA(-1, -1) + 7/80 DATA(1, -1)
- 80 80 80
-
- 11 17
- + -- DATA(-1, 0) + 9/80 DATA(-1, 1) + 3/80 DATA(2, -1) - -- DATA(0, 2)
- 80 80
-
- 13 \ 2
- + 7/80 DATA(-1, 2) - 1/80 DATA(2, 1) + -- DATA(1, 2) - 3/80 DATA(2, 2)| x
- 80 /
-
- + (1/24 DATA(2, 0) + 1/8 DATA(0, 0) - 1/8 DATA(1, 0) + 1/8 DATA(0, 1)
-
- - 1/8 DATA(1, 1) + 1/8 DATA(0, -1) - 1/24 DATA(-1, -1) - 1/8 DATA(1, -1)
-
- - 1/24 DATA(-1, 0) - 1/24 DATA(-1, 1) + 1/24 DATA(2, -1) + 1/8 DATA(0, 2)
-
- - 1/24 DATA(-1, 2) + 1/24 DATA(2, 1) - 1/8 DATA(1, 2) + 1/24 DATA(2, 2))
-
- 3 / 17 21 19
- x + |- -- DATA(2, 0) - -- DATA(0, 0) - -- DATA(1, 0) + 9/80 DATA(0, 1)
- \ 80 80 80
-
- 11 11 13
- + -- DATA(1, 1) + -- DATA(0, -1) + -- DATA(-1, -1) + 9/80 DATA(1, -1)
- 80 80 80
-
- 23
- - -- DATA(-1, 0) + 7/80 DATA(-1, 1) + 7/80 DATA(2, -1) + 1/80 DATA(0, 2)
- 80
-
- 13 \ 2
- + 3/80 DATA(-1, 2) + -- DATA(2, 1) - 1/80 DATA(1, 2) - 3/80 DATA(2, 2)| y
- 80 /
-
->
-# I
-> coeffs_as_lc_of_data(%, posn_list_2d_size4);
-bytes used=12010172, alloc=1965720, time=0.82
- 2 13 2 13 2 2 109
-[COEFF(-1, -1) = - 3/40 x y + -- y + -- x - 3/40 x y - ---- x + 6/25 x y
- 80 80 1200
-
- 109 23 3 3 2 2
- - ---- y - --- - 1/24 y - 1/24 x , COEFF(0, -1) = 3/40 x y - 1/40 x y
- 1200 200
-
- 223 11 11 2 3 31 3 23 2
- - ---- y + -- + -- y + 1/8 x - --- x - 1/50 x y - 1/24 y - -- x ,
- 1200 50 80 400 80
-
- 2 3 2 2 2
- COEFF(1, -1) = 9/80 y - 1/50 - 1/24 y + 7/80 x + 1/40 x y + 3/40 x y
-
- 111 157 13 3 89 131
- + --- x - ---- y - --- x y - 1/8 x , COEFF(2, -1) = ---- y - ---- x
- 400 1200 100 1200 1200
-
- 17 2 3 2 2 2
- - 9/100 x y - --- + 7/80 y - 1/24 y - 3/40 x y + 3/40 x y + 3/80 x
- 200
-
- 3 2 23 2 11 2 11 2
- + 1/24 x , COEFF(-1, 0) = - 1/40 x y - -- y + -- x + -- + 3/40 x y
- 80 80 50
-
- 3 3 223 31 3 93
- - 1/50 x y - 1/24 x + 1/8 y - ---- x - --- y, COEFF(0, 0) = 1/8 y + ---
- 1200 400 200
-
- 2 2 57 21 2 57 21 2
- + 1/40 x y + 1/40 x y - 1/25 x y - --- y - -- x - --- x - -- y
- 400 80 400 80
-
- 3 37 19 2 3 3 63 2
- + 1/8 x , COEFF(1, 0) = --- - -- y - 1/8 x + 1/8 y - --- y - 1/40 x y
- 200 80 400
-
- 2 117 2 2 13
- + 9/80 x - 1/100 x y + --- x + 1/40 x y, COEFF(2, 0) = - 1/40 x y + ---
- 400 100
-
- 17 2 3 2 3 49 2
- - -- y + 1/24 x + 7/100 x y + 1/80 x + 1/8 y - --- y - 3/40 x y
- 80 400
-
- 43 2 3 13 111
- + ---- x, COEFF(-1, 1) = - 1/50 + 1/40 x y - 1/24 x - --- x y + --- y
- 1200 100 400
-
- 157 3 2 2 2 3
- - ---- x - 1/8 y + 7/80 y + 9/80 x + 3/40 x y , COEFF(0, 1) = - 1/8 y
- 1200
-
- 63 2 2 3 37 2
- - 1/100 x y - --- x - 1/40 x y + 1/40 x y + 1/8 x + --- + 9/80 y
- 400 200
-
- 117 19 2 3 3 11 2
- + --- y - -- x , COEFF(1, 1) = 3/50 x y - 1/8 x - 1/8 y + -- y
- 400 80 80
-
- 2 103 103 11 2 17 2
- - 1/40 x y + --- y + --- x + -- x - --- - 1/40 x y , COEFF(2, 1) =
- 400 400 80 200
-
- 2 2 69 3 3 13 2
- 1/40 x y - 2/25 - 1/80 x + --- y + 2/25 x y - 1/8 y + 1/24 x + -- y
- 400 80
-
- 2 37 2 17 2
- - 3/40 x y + ---- x, COEFF(-1, 2) = 3/40 x y - --- - 9/100 x y + 7/80 x
- 1200 200
-
- 89 131 3 2 2 3
- + ---- x - ---- y - 1/24 x - 3/40 x y + 3/80 y + 1/24 y , COEFF(0, 2)
- 1200 1200
-
- 43 3 2 13 2 17 2
- = ---- y + 1/8 x - 3/40 x y + 7/100 x y + --- + 1/80 y - -- x
- 1200 100 80
-
- 3 49 2 13 2 69
- + 1/24 y - --- x - 1/40 x y , COEFF(1, 2) = 2/25 x y + -- x + --- x
- 400 80 400
-
- 2 3 37 3 2 2
- - 3/40 x y - 1/8 x - 2/25 + ---- y + 1/24 y + 1/40 x y - 1/80 y ,
- 1200
-
- 2 2 149 3 2
- COEFF(2, 2) = 3/40 x y - 3/80 y - ---- y + 1/24 y + 3/40 x y - 3/50 x y
- 1200
-
- 2 149 3
- - 3/80 x - ---- x + 7/200 + 1/24 x ]
- 1200
-
-> print_coeffs__lc_of_data(%, "coeffs_I->coeff_", "fp",
-> "2d.coeffs/2d.cube.order3.smooth0/coeffs-I.compute.c");
-bytes used=13010356, alloc=2031244, time=0.89
-bytes used=14014296, alloc=2031244, time=0.96
-bytes used=15017972, alloc=2031244, time=1.06
-bytes used=16018212, alloc=2031244, time=1.13
-bytes used=17018832, alloc=2031244, time=1.22
-bytes used=18019192, alloc=2031244, time=1.30
-bytes used=19019652, alloc=2031244, time=1.40
-bytes used=20019840, alloc=2031244, time=1.46
->
-# d/dx
-> simplify( diff(interp_2d_cube_order3_smooth0,x) );
-bytes used=21020004, alloc=2031244, time=1.52
-3/20 x y DATA(1, -1) - 1/20 x y DATA(-1, 0) + 1/20 x y DATA(-1, 1)
-
- - 3/20 x y DATA(2, -1) - 3/20 x y DATA(0, 2) + 3/20 x y DATA(-1, 2)
-
- + 1/20 x y DATA(2, 1) - 3/20 x y DATA(1, 2) + 3/20 x y DATA(2, 2)
-
- - 1/20 x y DATA(1, 1) - 1/20 x y DATA(2, 0) + 1/20 x y DATA(0, 0)
-
- 43
- + 1/20 x y DATA(1, 0) - 1/20 x y DATA(0, 1) + ---- DATA(2, 0)
- 1200
-
- 21 11 11
- - -- x DATA(0, 0) + -- x DATA(1, 1) + -- x DATA(-1, 0)
- 40 40 40
-
- 13 23
- + 7/40 x DATA(1, -1) + -- x DATA(-1, -1) - -- x DATA(0, -1)
- 40 40
-
- 19
- + 9/40 x DATA(1, 0) - -- x DATA(0, 1) - 3/50 y DATA(2, 2)
- 40
-
- + 1/40 x DATA(2, 0) - 1/25 y DATA(0, 0) + 7/100 y DATA(2, 0)
-
- + 7/100 y DATA(0, 2) - 9/100 y DATA(2, -1) - 9/100 y DATA(-1, 2)
-
- + 2/25 y DATA(1, 2) + 2/25 y DATA(2, 1) - 1/50 y DATA(0, -1)
-
- 13 13
- - --- y DATA(1, -1) + 6/25 y DATA(-1, -1) - --- y DATA(-1, 1)
- 100 100
-
- - 1/50 y DATA(-1, 0) - 1/100 y DATA(0, 1) - 1/100 y DATA(1, 0)
-
- 2
- + 3/40 y DATA(2, 2) + 3/50 y DATA(1, 1) + 3/40 x DATA(2, -1)
-
- 2 2 2
- + 1/40 y DATA(1, 2) - 3/40 y DATA(2, 1) - 3/40 y DATA(-1, 2)
-
- 17 2
- + 9/40 x DATA(-1, 1) - -- x DATA(0, 2) - 3/8 x DATA(1, 0)
- 40
-
- 2
- + 3/8 x DATA(0, 1) - 3/40 x DATA(2, 2) + 7/40 x DATA(-1, 2)
-
- 13 2
- + -- x DATA(1, 2) - 1/40 x DATA(2, 1) + 1/8 x DATA(2, 0)
- 40
-
- 2 2 2
- + 3/8 x DATA(0, 0) + 1/8 x DATA(2, -1) - 3/8 x DATA(1, -1)
-
- 2 2 2
- - 1/8 x DATA(-1, 0) - 3/8 x DATA(1, 1) - 1/8 x DATA(-1, 2)
-
- 2 2 2
- - 1/8 x DATA(-1, 1) - 3/8 x DATA(1, 2) + 3/8 x DATA(0, 2)
-
- 2 2 2
- + 1/8 x DATA(2, 2) + 1/8 x DATA(2, 1) + 3/8 x DATA(0, -1)
-
- 2 2 2
- - 1/8 x DATA(-1, -1) - 3/40 y DATA(-1, -1) + 1/40 y DATA(1, -1)
-
- 2 2 2
- - 1/40 y DATA(0, -1) + 1/40 y DATA(0, 1) - 1/40 y DATA(1, 1)
-
- 2 2 2
- + 3/40 y DATA(-1, 0) + 3/40 y DATA(-1, 1) + 3/40 y DATA(2, -1)
-
- 2 2 2
- - 1/40 y DATA(0, 2) - 3/40 y DATA(2, 0) - 1/40 y DATA(1, 0)
-
- 2
- + 1/40 y DATA(0, 0) + 3/20 x y DATA(0, -1) - 3/20 x y DATA(-1, -1)
-
- 57 117 63 103
- - --- DATA(0, 0) + --- DATA(1, 0) - --- DATA(0, 1) + --- DATA(1, 1)
- 400 400 400 400
-
- 31 109 111 223
- - --- DATA(0, -1) - ---- DATA(-1, -1) + --- DATA(1, -1) - ---- DATA(-1, 0)
- 400 1200 400 1200
-
- 157 131 49 89
- - ---- DATA(-1, 1) - ---- DATA(2, -1) - --- DATA(0, 2) + ---- DATA(-1, 2)
- 1200 1200 400 1200
-
- 37 69 149
- + ---- DATA(2, 1) + --- DATA(1, 2) - ---- DATA(2, 2)
- 1200 400 1200
-
-> coeffs_as_lc_of_data(%, posn_list_2d_size4);
-bytes used=22023600, alloc=2096768, time=1.59
- 2 13 109 2
-[COEFF(-1, -1) = - 3/20 x y - 3/40 y + -- x + 6/25 y - ---- - 1/8 x ,
- 40 1200
-
- 2 31 23 2
- COEFF(0, -1) = 3/8 x + 3/20 x y - 1/50 y - --- - -- x - 1/40 y ,
- 400 40
-
- 111 2 13 2
- COEFF(1, -1) = --- + 1/40 y - --- y + 3/20 x y - 3/8 x + 7/40 x,
- 400 100
-
- 2 131 2
- COEFF(2, -1) = 1/8 x + 3/40 x - ---- - 9/100 y + 3/40 y - 3/20 x y,
- 1200
-
- 2 223 2 11
- COEFF(-1, 0) = 3/40 y - 1/20 x y - ---- - 1/8 x - 1/50 y + -- x,
- 1200 40
-
- 2 21 57 2
- COEFF(0, 0) = - 1/25 y + 1/20 x y + 1/40 y - -- x - --- + 3/8 x ,
- 40 400
-
- 2 2 117
- COEFF(1, 0) = - 1/40 y + 1/20 x y - 1/100 y - 3/8 x + 9/40 x + ---,
- 400
-
- 2 2 43
- COEFF(2, 0) = - 1/20 x y + 1/8 x - 3/40 y + 1/40 x + ---- + 7/100 y,
- 1200
-
- 157 2 13 2
- COEFF(-1, 1) = - ---- + 3/40 y - --- y + 9/40 x - 1/8 x + 1/20 x y,
- 1200 100
-
- 2 63 2 19
- COEFF(0, 1) = 1/40 y - --- + 3/8 x - 1/100 y - 1/20 x y - -- x,
- 400 40
-
- 103 2 2 11
- COEFF(1, 1) = - 1/20 x y + --- - 3/8 x + 3/50 y - 1/40 y + -- x,
- 400 40
-
- 2 2 37
- COEFF(2, 1) = 1/20 x y - 3/40 y + 1/8 x + 2/25 y + ---- - 1/40 x,
- 1200
-
- 2 89 2
- COEFF(-1, 2) = - 1/8 x + ---- + 7/40 x - 3/40 y + 3/20 x y - 9/100 y,
- 1200
-
- 2 2 17 49
- COEFF(0, 2) = - 1/40 y - 3/20 x y + 7/100 y + 3/8 x - -- x - ---,
- 40 400
-
- 69 13 2 2
- COEFF(1, 2) = --- + -- x + 1/40 y - 3/8 x + 2/25 y - 3/20 x y,
- 400 40
-
- 2 149 2
- COEFF(2, 2) = 3/40 y - ---- + 3/20 x y - 3/50 y + 1/8 x - 3/40 x]
- 1200
-
-> print_coeffs__lc_of_data(%, "coeffs_dx->coeff_", "fp",
-> "2d.coeffs/2d.cube.order3.smooth0/coeffs-dx.compute.c");
-bytes used=23023764, alloc=2096768, time=1.67
-bytes used=24024212, alloc=2096768, time=1.75
-bytes used=25024544, alloc=2096768, time=1.84
->
-# d/dy
-> simplify( diff(interp_2d_cube_order3_smooth0,y) );
-bytes used=26024784, alloc=2096768, time=1.94
-bytes used=27025040, alloc=2096768, time=2.00
-1/20 x y DATA(1, -1) + 3/20 x y DATA(-1, 0) + 3/20 x y DATA(-1, 1)
-
- + 3/20 x y DATA(2, -1) - 1/20 x y DATA(0, 2) - 3/20 x y DATA(-1, 2)
-
- - 3/20 x y DATA(2, 1) + 1/20 x y DATA(1, 2) + 3/20 x y DATA(2, 2)
-
- - 1/20 x y DATA(1, 1) - 3/20 x y DATA(2, 0) + 1/20 x y DATA(0, 0)
-
- 49
- - 1/20 x y DATA(1, 0) + 1/20 x y DATA(0, 1) - --- DATA(2, 0)
- 400
-
- - 1/25 x DATA(0, 0) + 3/50 x DATA(1, 1) - 1/50 x DATA(-1, 0)
-
- 13
- - --- x DATA(1, -1) + 6/25 x DATA(-1, -1) - 1/50 x DATA(0, -1)
- 100
-
- - 1/100 x DATA(1, 0) - 1/100 x DATA(0, 1) - 3/40 y DATA(2, 2)
-
- 21 17
- + 7/100 x DATA(2, 0) - -- y DATA(0, 0) - -- y DATA(2, 0)
- 40 40
-
- + 1/40 y DATA(0, 2) + 7/40 y DATA(2, -1) + 3/40 y DATA(-1, 2)
-
- 13 11
- - 1/40 y DATA(1, 2) + -- y DATA(2, 1) + -- y DATA(0, -1)
- 40 40
-
- 13
- + 9/40 y DATA(1, -1) + -- y DATA(-1, -1) + 7/40 y DATA(-1, 1)
- 40
-
- 23 19
- - -- y DATA(-1, 0) + 9/40 y DATA(0, 1) - -- y DATA(1, 0)
- 40 40
-
- 2 11
- + 1/8 y DATA(2, 2) + -- y DATA(1, 1) - 9/100 x DATA(2, -1)
- 40
-
- 2 2 2
- + 1/8 y DATA(1, 2) - 3/8 y DATA(2, 1) + 1/8 y DATA(-1, 2)
-
- 13 2
- - --- x DATA(-1, 1) + 7/100 x DATA(0, 2) + 1/40 x DATA(1, 0)
- 100
-
- 2
- - 1/40 x DATA(0, 1) - 3/50 x DATA(2, 2) - 9/100 x DATA(-1, 2)
-
- 2
- + 2/25 x DATA(1, 2) + 2/25 x DATA(2, 1) - 1/40 x DATA(2, 0)
-
- 2 2 2
- + 1/40 x DATA(0, 0) - 3/40 x DATA(2, -1) + 3/40 x DATA(1, -1)
-
- 2 2 2
- - 1/40 x DATA(-1, 0) - 1/40 x DATA(1, 1) + 3/40 x DATA(-1, 2)
-
- 2 2 2
- + 1/40 x DATA(-1, 1) - 3/40 x DATA(1, 2) - 3/40 x DATA(0, 2)
-
- 2 2 2
- + 3/40 x DATA(2, 2) + 1/40 x DATA(2, 1) + 3/40 x DATA(0, -1)
-
- 2 2 2
- - 3/40 x DATA(-1, -1) - 1/8 y DATA(-1, -1) - 1/8 y DATA(1, -1)
-
- 2 2 2
- - 1/8 y DATA(0, -1) - 3/8 y DATA(0, 1) - 3/8 y DATA(1, 1)
-
- 2 2 2
- + 3/8 y DATA(-1, 0) - 3/8 y DATA(-1, 1) - 1/8 y DATA(2, -1)
-
- 2 2 2
- + 1/8 y DATA(0, 2) + 3/8 y DATA(2, 0) + 3/8 y DATA(1, 0)
-
- 2
- + 3/8 y DATA(0, 0) - 1/20 x y DATA(0, -1) - 3/20 x y DATA(-1, -1)
-
- 57 63 117 103
- - --- DATA(0, 0) - --- DATA(1, 0) + --- DATA(0, 1) + --- DATA(1, 1)
- 400 400 400 400
-
- 223 109 157
- - ---- DATA(0, -1) - ---- DATA(-1, -1) - ---- DATA(1, -1)
- 1200 1200 1200
-
- 31 111 89 43
- - --- DATA(-1, 0) + --- DATA(-1, 1) + ---- DATA(2, -1) + ---- DATA(0, 2)
- 400 400 1200 1200
-
- 131 69 37 149
- - ---- DATA(-1, 2) + --- DATA(2, 1) + ---- DATA(1, 2) - ---- DATA(2, 2)
- 1200 400 1200 1200
-
-> coeffs_as_lc_of_data(%, posn_list_2d_size4);
- 2 2 109 13
-[COEFF(-1, -1) = - 1/8 y - 3/40 x + 6/25 x - 3/20 x y - ---- + -- y,
- 1200 40
-
- 2 2 223 11
- COEFF(0, -1) = - 1/20 x y - 1/50 x + 3/40 x - 1/8 y - ---- + -- y,
- 1200 40
-
- 2 157 2 13
- COEFF(1, -1) = 1/20 x y - 1/8 y - ---- + 9/40 y + 3/40 x - --- x,
- 1200 100
-
- 2 89 2
- COEFF(2, -1) = - 9/100 x - 3/40 x + 7/40 y + 3/20 x y + ---- - 1/8 y ,
- 1200
-
- 23 2 31 2
- COEFF(-1, 0) = - -- y - 1/40 x - --- + 3/20 x y + 3/8 y - 1/50 x,
- 40 400
-
- 21 57 2 2
- COEFF(0, 0) = - -- y - --- - 1/25 x + 1/20 x y + 3/8 y + 1/40 x ,
- 40 400
-
- 2 19 63 2
- COEFF(1, 0) = 1/40 x - 1/20 x y - -- y - --- - 1/100 x + 3/8 y ,
- 40 400
-
- 49 2 2 17
- COEFF(2, 0) = - 3/20 x y - --- + 3/8 y - 1/40 x - -- y + 7/100 x,
- 400 40
-
- 13 111 2 2
- COEFF(-1, 1) = - --- x + 7/40 y + --- + 1/40 x - 3/8 y + 3/20 x y,
- 100 400
-
- 2 2 117
- COEFF(0, 1) = - 1/40 x + 1/20 x y + 9/40 y - 3/8 y - 1/100 x + ---,
- 400
-
- 11 2 2 103
- COEFF(1, 1) = -- y + 3/50 x - 1/40 x - 3/8 y - 1/20 x y + ---,
- 40 400
-
- 2 13 2 69
- COEFF(2, 1) = 2/25 x + 1/40 x + -- y - 3/20 x y - 3/8 y + ---,
- 40 400
-
- 2 2 131
- COEFF(-1, 2) = 1/8 y + 3/40 x - 9/100 x - 3/20 x y - ---- + 3/40 y,
- 1200
-
- 2 2 43
- COEFF(0, 2) = 7/100 x - 1/20 x y - 3/40 x + 1/8 y + 1/40 y + ----,
- 1200
-
- 2 37 2
- COEFF(1, 2) = 1/20 x y - 3/40 x + ---- + 1/8 y - 1/40 y + 2/25 x,
- 1200
-
- 2 149 2
- COEFF(2, 2) = 1/8 y - 3/40 y + 3/20 x y - 3/50 x - ---- + 3/40 x ]
- 1200
-
-> print_coeffs__lc_of_data(%, "coeffs_dy->coeff_", "fp",
-> "2d.coeffs/2d.cube.order3.smooth0/coeffs-dy.compute.c");
-bytes used=28025200, alloc=2162292, time=2.08
-bytes used=29025372, alloc=2162292, time=2.17
-bytes used=30025660, alloc=2162292, time=2.26
-bytes used=31025832, alloc=2162292, time=2.37
->
-# d^2/dx^2
-> simplify( diff(interp_2d_cube_order3_smooth0,x,x) );
-1/40 DATA(2, 0) + 3/4 x DATA(0, 0) - 3/4 x DATA(1, 1) - 1/4 x DATA(-1, 0)
-
- - 3/4 x DATA(1, -1) - 1/4 x DATA(-1, -1) + 3/4 x DATA(0, -1)
-
- - 3/4 x DATA(1, 0) + 3/4 x DATA(0, 1) + 3/20 y DATA(2, 2)
-
- + 1/4 x DATA(2, 0) + 1/20 y DATA(0, 0) - 1/20 y DATA(2, 0)
-
- - 3/20 y DATA(0, 2) - 3/20 y DATA(2, -1) + 3/20 y DATA(-1, 2)
-
- - 3/20 y DATA(1, 2) + 1/20 y DATA(2, 1) + 3/20 y DATA(0, -1)
-
- + 3/20 y DATA(1, -1) - 3/20 y DATA(-1, -1) + 1/20 y DATA(-1, 1)
-
- - 1/20 y DATA(-1, 0) - 1/20 y DATA(0, 1) + 1/20 y DATA(1, 0)
-
- - 1/20 y DATA(1, 1) + 1/4 x DATA(2, -1) - 1/4 x DATA(-1, 1)
-
- + 3/4 x DATA(0, 2) + 1/4 x DATA(2, 2) - 1/4 x DATA(-1, 2)
-
- 21
- - 3/4 x DATA(1, 2) + 1/4 x DATA(2, 1) - -- DATA(0, 0) + 9/40 DATA(1, 0)
- 40
-
- 19 11 23 13
- - -- DATA(0, 1) + -- DATA(1, 1) - -- DATA(0, -1) + -- DATA(-1, -1)
- 40 40 40 40
-
- 11
- + 7/40 DATA(1, -1) + -- DATA(-1, 0) + 9/40 DATA(-1, 1) + 3/40 DATA(2, -1)
- 40
-
- 17 13
- - -- DATA(0, 2) + 7/40 DATA(-1, 2) - 1/40 DATA(2, 1) + -- DATA(1, 2)
- 40 40
-
- - 3/40 DATA(2, 2)
-
-> coeffs_as_lc_of_data(%, posn_list_2d_size4);
- 13 23
-[COEFF(-1, -1) = - 1/4 x - 3/20 y + --, COEFF(0, -1) = 3/4 x + 3/20 y - --,
- 40 40
-
- COEFF(1, -1) = 7/40 + 3/20 y - 3/4 x,
-
- 11
- COEFF(2, -1) = - 3/20 y + 3/40 + 1/4 x, COEFF(-1, 0) = -- - 1/20 y - 1/4 x,
- 40
-
- 21
- COEFF(0, 0) = - -- + 1/20 y + 3/4 x, COEFF(1, 0) = - 3/4 x + 1/20 y + 9/40,
- 40
-
- COEFF(2, 0) = 1/4 x - 1/20 y + 1/40, COEFF(-1, 1) = 9/40 - 1/4 x + 1/20 y,
-
- 19 11
- COEFF(0, 1) = - -- - 1/20 y + 3/4 x, COEFF(1, 1) = - 1/20 y + -- - 3/4 x,
- 40 40
-
- COEFF(2, 1) = - 1/40 + 1/20 y + 1/4 x,
-
- 17
- COEFF(-1, 2) = - 1/4 x + 7/40 + 3/20 y, COEFF(0, 2) = - 3/20 y + 3/4 x - --,
- 40
-
- 13
- COEFF(1, 2) = - 3/20 y - 3/4 x + --, COEFF(2, 2) = - 3/40 + 1/4 x + 3/20 y]
- 40
-
-> print_coeffs__lc_of_data(%, "coeffs_dxx->coeff_", "fp",
-> "2d.coeffs/2d.cube.order3.smooth0/coeffs-dxx.compute.c");
-bytes used=32026056, alloc=2162292, time=2.48
-bytes used=33027468, alloc=2162292, time=2.58
->
-# d^2/dxdy
-> simplify( diff(interp_2d_cube_order3_smooth0,x,y) );
-7/100 DATA(2, 0) + 1/20 x DATA(0, 0) - 1/20 x DATA(1, 1) - 1/20 x DATA(-1, 0)
-
- + 3/20 x DATA(1, -1) - 3/20 x DATA(-1, -1) + 3/20 x DATA(0, -1)
-
- + 1/20 x DATA(1, 0) - 1/20 x DATA(0, 1) + 3/20 y DATA(2, 2)
-
- - 1/20 x DATA(2, 0) + 1/20 y DATA(0, 0) - 3/20 y DATA(2, 0)
-
- - 1/20 y DATA(0, 2) + 3/20 y DATA(2, -1) - 3/20 y DATA(-1, 2)
-
- + 1/20 y DATA(1, 2) - 3/20 y DATA(2, 1) - 1/20 y DATA(0, -1)
-
- + 1/20 y DATA(1, -1) - 3/20 y DATA(-1, -1) + 3/20 y DATA(-1, 1)
-
- + 3/20 y DATA(-1, 0) + 1/20 y DATA(0, 1) - 1/20 y DATA(1, 0)
-
- - 1/20 y DATA(1, 1) - 3/20 x DATA(2, -1) + 1/20 x DATA(-1, 1)
-
- - 3/20 x DATA(0, 2) + 3/20 x DATA(2, 2) + 3/20 x DATA(-1, 2)
-
- - 3/20 x DATA(1, 2) + 1/20 x DATA(2, 1) - 1/25 DATA(0, 0)
-
- - 1/100 DATA(1, 0) - 1/100 DATA(0, 1) + 3/50 DATA(1, 1) - 1/50 DATA(0, -1)
-
- 13 13
- + 6/25 DATA(-1, -1) - --- DATA(1, -1) - 1/50 DATA(-1, 0) - --- DATA(-1, 1)
- 100 100
-
- - 9/100 DATA(2, -1) + 7/100 DATA(0, 2) - 9/100 DATA(-1, 2)
-
- + 2/25 DATA(2, 1) + 2/25 DATA(1, 2) - 3/50 DATA(2, 2)
-
-> coeffs_as_lc_of_data(%, posn_list_2d_size4);
-bytes used=34028660, alloc=2162292, time=2.68
-[COEFF(-1, -1) = - 3/20 x + 6/25 - 3/20 y,
-
- 13
- COEFF(0, -1) = 3/20 x - 1/50 - 1/20 y, COEFF(1, -1) = 1/20 y - --- + 3/20 x,
- 100
-
- COEFF(2, -1) = 3/20 y - 3/20 x - 9/100,
-
- COEFF(-1, 0) = 3/20 y - 1/20 x - 1/50, COEFF(0, 0) = 1/20 x - 1/25 + 1/20 y,
-
- COEFF(1, 0) = - 1/20 y - 1/100 + 1/20 x,
-
- COEFF(2, 0) = - 3/20 y - 1/20 x + 7/100,
-
- 13
- COEFF(-1, 1) = 3/20 y - --- + 1/20 x,
- 100
-
- COEFF(0, 1) = - 1/20 x + 1/20 y - 1/100,
-
- COEFF(1, 1) = - 1/20 x + 3/50 - 1/20 y,
-
- COEFF(2, 1) = - 3/20 y + 1/20 x + 2/25,
-
- COEFF(-1, 2) = - 9/100 - 3/20 y + 3/20 x,
-
- COEFF(0, 2) = 7/100 - 1/20 y - 3/20 x,
-
- COEFF(1, 2) = - 3/20 x + 1/20 y + 2/25,
-
- COEFF(2, 2) = 3/20 x + 3/20 y - 3/50]
-
-> print_coeffs__lc_of_data(%, "coeffs_dxy->coeff_", "fp",
-> "2d.coeffs/2d.cube.order3.smooth0/coeffs-dxy.compute.c");
-bytes used=35028816, alloc=2162292, time=2.75
->
-# d^2/dy^2
-> simplify( diff(interp_2d_cube_order3_smooth0,y,y) );
- 17
-- -- DATA(2, 0) + 1/20 x DATA(0, 0) - 1/20 x DATA(1, 1) + 3/20 x DATA(-1, 0)
- 40
-
- + 1/20 x DATA(1, -1) - 3/20 x DATA(-1, -1) - 1/20 x DATA(0, -1)
-
- - 1/20 x DATA(1, 0) + 1/20 x DATA(0, 1) + 1/4 y DATA(2, 2)
-
- - 3/20 x DATA(2, 0) + 3/4 y DATA(0, 0) + 3/4 y DATA(2, 0)
-
- + 1/4 y DATA(0, 2) - 1/4 y DATA(2, -1) + 1/4 y DATA(-1, 2)
-
- + 1/4 y DATA(1, 2) - 3/4 y DATA(2, 1) - 1/4 y DATA(0, -1)
-
- - 1/4 y DATA(1, -1) - 1/4 y DATA(-1, -1) - 3/4 y DATA(-1, 1)
-
- + 3/4 y DATA(-1, 0) - 3/4 y DATA(0, 1) + 3/4 y DATA(1, 0)
-
- - 3/4 y DATA(1, 1) + 3/20 x DATA(2, -1) + 3/20 x DATA(-1, 1)
-
- - 1/20 x DATA(0, 2) + 3/20 x DATA(2, 2) - 3/20 x DATA(-1, 2)
-
- 21 19
- + 1/20 x DATA(1, 2) - 3/20 x DATA(2, 1) - -- DATA(0, 0) - -- DATA(1, 0)
- 40 40
-
- 11 11 13
- + 9/40 DATA(0, 1) + -- DATA(1, 1) + -- DATA(0, -1) + -- DATA(-1, -1)
- 40 40 40
-
- 23
- + 9/40 DATA(1, -1) - -- DATA(-1, 0) + 7/40 DATA(-1, 1) + 7/40 DATA(2, -1)
- 40
-
- 13
- + 1/40 DATA(0, 2) + 3/40 DATA(-1, 2) + -- DATA(2, 1) - 1/40 DATA(1, 2)
- 40
-
- - 3/40 DATA(2, 2)
-
-> coeffs_as_lc_of_data(%, posn_list_2d_size4);
- 13 11
-[COEFF(-1, -1) = - 1/4 y - 3/20 x + --, COEFF(0, -1) = -- - 1/4 y - 1/20 x,
- 40 40
-
- COEFF(1, -1) = - 1/4 y + 9/40 + 1/20 x,
-
- 23
- COEFF(2, -1) = 7/40 + 3/20 x - 1/4 y, COEFF(-1, 0) = 3/20 x + 3/4 y - --,
- 40
-
- 21 19
- COEFF(0, 0) = 3/4 y + 1/20 x - --, COEFF(1, 0) = 3/4 y - -- - 1/20 x,
- 40 40
-
- 17
- COEFF(2, 0) = - -- + 3/4 y - 3/20 x, COEFF(-1, 1) = - 3/4 y + 3/20 x + 7/40,
- 40
-
- 11
- COEFF(0, 1) = - 3/4 y + 1/20 x + 9/40, COEFF(1, 1) = - 3/4 y - 1/20 x + --,
- 40
-
- 13
- COEFF(2, 1) = - 3/20 x + -- - 3/4 y, COEFF(-1, 2) = - 3/20 x + 1/4 y + 3/40,
- 40
-
- COEFF(0, 2) = 1/4 y + 1/40 - 1/20 x, COEFF(1, 2) = 1/20 x + 1/4 y - 1/40,
-
- COEFF(2, 2) = 3/20 x - 3/40 + 1/4 y]
-
-> print_coeffs__lc_of_data(%, "coeffs_dyy->coeff_", "fp",
-> "2d.coeffs/2d.cube.order3.smooth0/coeffs-dyy.compute.c");
-bytes used=36029536, alloc=2162292, time=2.85
-bytes used=37029756, alloc=2162292, time=2.94
->
-################################################################################
->
-#
-# 2d, cube, order=4, smoothing=0 (size=5)
-#
->
-# interpolating polynomial
-> interp_2d_cube_order4_smooth0
-> := Lagrange_polynomial_interpolant(fn_2d_order4, coeffs_list_2d_order4,
-> coords_list_2d, posn_list_2d_size5);
-bytes used=38029976, alloc=2162292, time=3.04
-bytes used=39030204, alloc=2162292, time=3.10
-bytes used=40030440, alloc=2162292, time=3.16
-bytes used=41032164, alloc=2162292, time=3.22
-bytes used=42032408, alloc=2162292, time=3.28
-bytes used=43032708, alloc=2162292, time=3.34
-interp_2d_cube_order4_smooth0 := (- 1/60 DATA(1, 1) - 1/60 DATA(-1, -1)
-
- + 1/60 DATA(1, -1) + 1/60 DATA(-1, 1) + 1/30 DATA(2, -1)
-
- - 1/120 DATA(-1, 2) - 1/30 DATA(2, 1) + 1/120 DATA(-1, -2)
-
- + 1/60 DATA(-2, -2) + 1/120 DATA(1, 2) + 1/60 DATA(2, 2)
-
- - 1/60 DATA(-2, 2) + 1/30 DATA(-2, 1) - 1/120 DATA(1, -2)
-
- 3
- - 1/60 DATA(2, -2) - 1/30 DATA(-2, -1)) x y + (- 1/35 DATA(2, 0)
-
- - 1/70 DATA(1, 0) - 1/140 DATA(1, 1) + 1/140 DATA(-1, -1)
-
- - 1/140 DATA(1, -1) + 1/70 DATA(-1, 0) + 1/140 DATA(-1, 1)
-
- - 1/70 DATA(2, -1) - 1/70 DATA(-1, 2) - 1/70 DATA(2, 1)
-
- - 1/70 DATA(-1, -2) - 1/35 DATA(-2, -2) + 1/70 DATA(1, 2)
-
- + 1/35 DATA(2, 2) - 1/35 DATA(-2, 2) + 1/70 DATA(-2, 1) + 1/35 DATA(-2, 0)
-
- 2
- + 1/70 DATA(1, -2) + 1/35 DATA(2, -2) + 1/70 DATA(-2, -1)) x y + (
-
- - 1/49 DATA(2, 0) + 1/49 DATA(0, 0) + 1/98 DATA(1, 0) + 1/98 DATA(0, 1)
-
- + 1/196 DATA(1, 1) + 1/98 DATA(0, -1) + 1/196 DATA(-1, -1)
-
- + 1/196 DATA(1, -1) + 1/98 DATA(-1, 0) + 1/196 DATA(-1, 1)
-
- - 1/98 DATA(2, -1) - 1/49 DATA(0, 2) - 1/98 DATA(-1, 2) - 1/98 DATA(2, 1)
-
- - 1/98 DATA(-1, -2) - 1/49 DATA(0, -2) + 1/49 DATA(-2, -2)
-
- - 1/98 DATA(1, 2) + 1/49 DATA(2, 2) + 1/49 DATA(-2, 2) - 1/98 DATA(-2, 1)
-
- - 1/49 DATA(-2, 0) - 1/98 DATA(1, -2) + 1/49 DATA(2, -2)
-
- 2 2 /37 37
- - 1/98 DATA(-2, -1)) x y + |--- DATA(1, 1) + --- DATA(-1, -1)
- \300 300
-
- 37 37 21 21
- - --- DATA(1, -1) - --- DATA(-1, 1) - --- DATA(2, -1) - --- DATA(-1, 2)
- 300 300 200 200
-
- 21 21 11 21
- + --- DATA(2, 1) + --- DATA(-1, -2) - --- DATA(-2, -2) + --- DATA(1, 2)
- 200 200 150 200
-
- 11 11 21 21
- - --- DATA(2, 2) + --- DATA(-2, 2) - --- DATA(-2, 1) - --- DATA(1, -2)
- 150 150 200 200
-
- 11 21 \
- + --- DATA(2, -2) + --- DATA(-2, -1)| x y + (- 1/70 DATA(0, 1)
- 150 200 /
-
- - 1/140 DATA(1, 1) + 1/70 DATA(0, -1) + 1/140 DATA(-1, -1)
-
- + 1/140 DATA(1, -1) - 1/140 DATA(-1, 1) - 1/70 DATA(2, -1)
-
- - 1/35 DATA(0, 2) - 1/70 DATA(-1, 2) + 1/70 DATA(2, 1) + 1/70 DATA(-1, -2)
-
- + 1/35 DATA(0, -2) - 1/35 DATA(-2, -2) - 1/70 DATA(1, 2) + 1/35 DATA(2, 2)
-
- + 1/35 DATA(-2, 2) + 1/70 DATA(-2, 1) + 1/70 DATA(1, -2)
-
- 2
- - 1/35 DATA(2, -2) - 1/70 DATA(-2, -1)) x y + (- 1/60 DATA(1, 1)
-
- - 1/60 DATA(-1, -1) + 1/60 DATA(1, -1) + 1/60 DATA(-1, 1)
-
- - 1/120 DATA(2, -1) + 1/30 DATA(-1, 2) + 1/120 DATA(2, 1)
-
- - 1/30 DATA(-1, -2) + 1/60 DATA(-2, -2) - 1/30 DATA(1, 2)
-
- + 1/60 DATA(2, 2) - 1/60 DATA(-2, 2) - 1/120 DATA(-2, 1)
-
- 3
- + 1/30 DATA(1, -2) - 1/60 DATA(2, -2) + 1/120 DATA(-2, -1)) x y
-
- 96 541 246 246
- + ---- DATA(2, 0) + ---- DATA(0, 0) + ---- DATA(1, 0) + ---- DATA(0, 1)
- 1225 1225 1225 1225
-
- 24
- - ---- DATA(1, 1) + (1/60 DATA(2, 0) - 1/30 DATA(1, 0) - 1/30 DATA(1, 1)
- 1225
-
- + 1/30 DATA(-1, -1) - 1/30 DATA(1, -1) + 1/30 DATA(-1, 0)
-
- + 1/30 DATA(-1, 1) + 1/60 DATA(2, -1) + 1/30 DATA(-1, 2) + 1/60 DATA(2, 1)
-
- + 1/30 DATA(-1, -2) - 1/60 DATA(-2, -2) - 1/30 DATA(1, 2)
-
- + 1/60 DATA(2, 2) - 1/60 DATA(-2, 2) - 1/60 DATA(-2, 1) - 1/60 DATA(-2, 0)
-
- 3
- - 1/30 DATA(1, -2) + 1/60 DATA(2, -2) - 1/60 DATA(-2, -1)) x + (
-
- 1/120 DATA(2, 0) + 1/20 DATA(0, 0) - 1/30 DATA(1, 0) + 1/20 DATA(0, 1)
-
- - 1/30 DATA(1, 1) + 1/20 DATA(0, -1) - 1/30 DATA(-1, -1)
-
- - 1/30 DATA(1, -1) - 1/30 DATA(-1, 0) - 1/30 DATA(-1, 1)
-
- + 1/120 DATA(2, -1) + 1/20 DATA(0, 2) - 1/30 DATA(-1, 2)
-
- + 1/120 DATA(2, 1) - 1/30 DATA(-1, -2) + 1/20 DATA(0, -2)
-
- + 1/120 DATA(-2, -2) - 1/30 DATA(1, 2) + 1/120 DATA(2, 2)
-
- + 1/120 DATA(-2, 2) + 1/120 DATA(-2, 1) + 1/120 DATA(-2, 0)
-
- 4
- - 1/30 DATA(1, -2) + 1/120 DATA(2, -2) + 1/120 DATA(-2, -1)) x + (
-
- 1/20 DATA(2, 0) + 1/20 DATA(0, 0) + 1/20 DATA(1, 0) - 1/30 DATA(0, 1)
-
- - 1/30 DATA(1, 1) - 1/30 DATA(0, -1) - 1/30 DATA(-1, -1)
-
- - 1/30 DATA(1, -1) + 1/20 DATA(-1, 0) - 1/30 DATA(-1, 1)
-
- - 1/30 DATA(2, -1) + 1/120 DATA(0, 2) + 1/120 DATA(-1, 2)
-
- - 1/30 DATA(2, 1) + 1/120 DATA(-1, -2) + 1/120 DATA(0, -2)
-
- + 1/120 DATA(-2, -2) + 1/120 DATA(1, 2) + 1/120 DATA(2, 2)
-
- + 1/120 DATA(-2, 2) - 1/30 DATA(-2, 1) + 1/20 DATA(-2, 0)
-
- 4
- + 1/120 DATA(1, -2) + 1/120 DATA(2, -2) - 1/30 DATA(-2, -1)) y + (
-
- - 1/30 DATA(0, 1) - 1/30 DATA(1, 1) + 1/30 DATA(0, -1) + 1/30 DATA(-1, -1)
-
- + 1/30 DATA(1, -1) - 1/30 DATA(-1, 1) + 1/30 DATA(2, -1) + 1/60 DATA(0, 2)
-
- + 1/60 DATA(-1, 2) - 1/30 DATA(2, 1) - 1/60 DATA(-1, -2)
-
- - 1/60 DATA(0, -2) - 1/60 DATA(-2, -2) + 1/60 DATA(1, 2) + 1/60 DATA(2, 2)
-
- + 1/60 DATA(-2, 2) - 1/30 DATA(-2, 1) - 1/60 DATA(1, -2)
-
- 3 / 41
- - 1/60 DATA(2, -2) + 1/30 DATA(-2, -1)) y + |- --- DATA(2, 0)
- \ 196
-
- 57 53 83 181
- - --- DATA(0, 0) - --- DATA(1, 0) + --- DATA(0, 1) + ---- DATA(1, 1)
- 196 196 735 1470
-
- 83 181 181 53
- + --- DATA(0, -1) + ---- DATA(-1, -1) + ---- DATA(1, -1) - --- DATA(-1, 0)
- 735 1470 1470 196
-
- 181 113 191 71
- + ---- DATA(-1, 1) + --- DATA(2, -1) + ---- DATA(0, 2) + ---- DATA(-1, 2)
- 1470 735 5880 5880
-
- 113 71 191
- + --- DATA(2, 1) + ---- DATA(-1, -2) + ---- DATA(0, -2)
- 735 5880 5880
-
- 289 71 289 289
- - ---- DATA(-2, -2) + ---- DATA(1, 2) - ---- DATA(2, 2) - ---- DATA(-2, 2)
- 5880 5880 5880 5880
-
- 113 41 71 289
- + --- DATA(-2, 1) - --- DATA(-2, 0) + ---- DATA(1, -2) - ---- DATA(2, -2)
- 735 196 5880 5880
-
- 113 \ 2 /17 31
- + --- DATA(-2, -1)| y + |--- DATA(0, 1) + --- DATA(1, 1)
- 735 / \105 210
-
- 17 31 31 31
- - --- DATA(0, -1) - --- DATA(-1, -1) - --- DATA(1, -1) + --- DATA(-1, 1)
- 105 210 210 210
-
- 11 17 11
- - --- DATA(2, -1) + --- DATA(0, 2) + 1/84 DATA(-1, 2) + --- DATA(2, 1)
- 105 420 105
-
- 17 31
- - 1/84 DATA(-1, -2) - --- DATA(0, -2) + --- DATA(-2, -2) + 1/84 DATA(1, 2)
- 420 420
-
- 31 31 11
- - --- DATA(2, 2) - --- DATA(-2, 2) + --- DATA(-2, 1) - 1/84 DATA(1, -2)
- 420 420 105
-
- 31 11 \ /17 17
- + --- DATA(2, -2) - --- DATA(-2, -1)| y + |--- DATA(2, 0) + --- DATA(1, 0)
- 420 105 / \420 105
-
- 31 31 31 17
- + --- DATA(1, 1) - --- DATA(-1, -1) + --- DATA(1, -1) - --- DATA(-1, 0)
- 210 210 210 105
-
- 31 11
- - --- DATA(-1, 1) + 1/84 DATA(2, -1) - --- DATA(-1, 2) + 1/84 DATA(2, 1)
- 210 105
-
- 11 31 11 31
- - --- DATA(-1, -2) + --- DATA(-2, -2) + --- DATA(1, 2) - --- DATA(2, 2)
- 105 420 105 420
-
- 31 17 11
- + --- DATA(-2, 2) - 1/84 DATA(-2, 1) - --- DATA(-2, 0) + --- DATA(1, -2)
- 420 420 105
-
- 31 \ /191
- - --- DATA(2, -2) - 1/84 DATA(-2, -1)| x + |---- DATA(2, 0)
- 420 / \5880
-
- 57 83 53 181
- - --- DATA(0, 0) + --- DATA(1, 0) - --- DATA(0, 1) + ---- DATA(1, 1)
- 196 735 196 1470
-
- 53 181 181 83
- - --- DATA(0, -1) + ---- DATA(-1, -1) + ---- DATA(1, -1) + --- DATA(-1, 0)
- 196 1470 1470 735
-
- 181 71 41 113
- + ---- DATA(-1, 1) + ---- DATA(2, -1) - --- DATA(0, 2) + --- DATA(-1, 2)
- 1470 5880 196 735
-
- 71 113 41 289
- + ---- DATA(2, 1) + --- DATA(-1, -2) - --- DATA(0, -2) - ---- DATA(-2, -2)
- 5880 735 196 5880
-
- 113 289 289 71
- + --- DATA(1, 2) - ---- DATA(2, 2) - ---- DATA(-2, 2) + ---- DATA(-2, 1)
- 735 5880 5880 5880
-
- 191 113 289
- + ---- DATA(-2, 0) + --- DATA(1, -2) - ---- DATA(2, -2)
- 5880 735 5880
-
- 71 \ 2 246 24
- + ---- DATA(-2, -1)| x + ---- DATA(0, -1) - ---- DATA(-1, -1)
- 5880 / 1225 1225
-
- 24 246 24
- - ---- DATA(1, -1) + ---- DATA(-1, 0) - ---- DATA(-1, 1)
- 1225 1225 1225
-
- 99 96 99 99
- - ---- DATA(2, -1) + ---- DATA(0, 2) - ---- DATA(-1, 2) - ---- DATA(2, 1)
- 1225 1225 1225 1225
-
- 99 96 51
- - ---- DATA(-1, -2) + ---- DATA(0, -2) + ---- DATA(-2, -2)
- 1225 1225 1225
-
- 99 51 51 99
- - ---- DATA(1, 2) + ---- DATA(2, 2) + ---- DATA(-2, 2) - ---- DATA(-2, 1)
- 1225 1225 1225 1225
-
- 96 99 51
- + ---- DATA(-2, 0) - ---- DATA(1, -2) + ---- DATA(2, -2)
- 1225 1225 1225
-
- 99
- - ---- DATA(-2, -1)
- 1225
-
->
-# I
-> coeffs_as_lc_of_data(%, posn_list_2d_size5);
-bytes used=44034460, alloc=2162292, time=3.41
- 2 2 3 3 4 2
-[COEFF(-2, -2) = 1/49 x y + 1/60 x y + 1/60 x y + 1/120 x - 1/35 x y
-
- 2 3 11 289 2 3 289 2 51
- - 1/35 x y - 1/60 y - --- x y - ---- y - 1/60 x - ---- x + ----
- 150 5880 5880 1225
-
- 31 4 31 2 2 3
- + --- x + 1/120 y + --- y, COEFF(-1, -2) = - 1/98 x y - 1/30 x y
- 420 420
-
- 21 2 3 4 113 2 3 3
- + --- x y - 1/70 x y + 1/120 x y + 1/120 y + --- x - 1/60 y + 1/30 x
- 200 735
-
- 71 2 4 2 11 99
- + ---- y - 1/30 x - 1/84 y + 1/70 x y - --- x - ----, COEFF(0, -2) =
- 5880 105 1225
-
- 2 191 2 17 4 4 2 2 3
- 1/35 x y + ---- y - --- y + 1/20 x + 1/120 y - 1/49 x y - 1/60 y
- 5880 420
-
- 96 41 2 21 2 3
- + ---- - --- x , COEFF(1, -2) = - --- x y + 1/70 x y - 1/120 x y
- 1225 196 200
-
- 3 3 11 4 2 2 2
- - 1/30 x - 1/60 y + --- x + 1/120 y - 1/98 x y - 1/84 y + 1/70 x y
- 105
-
- 71 2 99 113 2 3 4 31
- + ---- y - ---- + --- x + 1/30 x y - 1/30 x , COEFF(2, -2) = - --- x
- 5880 1225 735 420
-
- 3 2 51 3 4 2 2 289 2
- + 1/60 x + 1/35 x y + ---- - 1/60 x y + 1/120 x + 1/49 x y - ---- x
- 1225 5880
-
- 31 11 4 2 289 2 3 3
- + --- y + --- x y + 1/120 y - 1/35 x y - ---- y - 1/60 x y - 1/60 y ,
- 420 150 5880
-
- 3 4 99 11 3 3
- COEFF(-2, -1) = - 1/60 x - 1/30 y - ---- - --- y - 1/30 x y + 1/30 y
- 1225 105
-
- 4 113 2 2 71 2 2 2 21
- + 1/120 x + --- y + 1/70 x y + ---- x - 1/98 x y + --- x y
- 735 5880 200
-
- 3 2 2 4
- + 1/120 x y - 1/84 x - 1/70 x y, COEFF(-1, -1) = 1/140 x y - 1/30 x
-
- 2 2 3 181 2 3 4 181 2
- + 1/196 x y + 1/30 y + ---- x - 1/60 x y - 1/30 y + ---- y
- 1470 1470
-
- 3 31 2 3 37 31 24
- - 1/60 x y - --- x + 1/140 x y + 1/30 x + --- x y - --- y - ----,
- 210 300 210 1225
-
- 83 2 17 3 246 53 2 2 2
- COEFF(0, -1) = --- y - --- y + 1/30 y + ---- - --- x + 1/98 x y
- 735 105 1225 196
-
- 4 2 4 24 2
- + 1/20 x + 1/70 x y - 1/30 y , COEFF(1, -1) = - ---- - 1/140 x y
- 1225
-
- 181 2 2 31 3 3 3 181 2
- + ---- y + 1/140 x y - --- y + 1/60 x y + 1/30 y + 1/60 x y + ---- x
- 1470 210 1470
-
- 37 4 31 4 3 2 2
- - --- x y - 1/30 x + --- x - 1/30 y - 1/30 x + 1/196 x y ,
- 300 210
-
- 2 3 3 11 2
- COEFF(2, -1) = - 1/70 x y - 1/120 x y + 1/30 y - --- y - 1/70 x y
- 105
-
- 99 3 3 4 113 2 4 71 2
- - ---- + 1/30 x y + 1/60 x - 1/30 y + --- y + 1/120 x + ---- x
- 1225 735 5880
-
- 2 2 21 191 2 96 41 2
- - 1/98 x y + 1/84 x - --- x y, COEFF(-2, 0) = ---- x + ---- - --- y
- 200 5880 1225 196
-
- 3 2 2 2 4 17 4
- - 1/60 x + 1/35 x y - 1/49 x y + 1/120 x - --- x + 1/20 y ,
- 420
-
- 246 3 17 83 2 4 2
- COEFF(-1, 0) = ---- + 1/30 x - --- x + --- x + 1/20 y + 1/70 x y
- 1225 105 735
-
- 4 2 2 53 2
- - 1/30 x + 1/98 x y - --- y ,
- 196
-
- 57 2 4 2 2 4 541 57 2
- COEFF(0, 0) = - --- x + 1/20 y + 1/49 x y + 1/20 x + ---- - --- y ,
- 196 1225 196
-
- 4 2 2 53 2 83 2 4 246
- COEFF(1, 0) = 1/20 y + 1/98 x y - --- y + --- x - 1/30 x + ----
- 196 735 1225
-
- 2 3 17 96 2 191 2
- - 1/70 x y - 1/30 x + --- x, COEFF(2, 0) = ---- - 1/35 x y + ---- x
- 105 1225 5880
-
- 41 2 3 17 2 2 4 4
- - --- y + 1/60 x + --- x - 1/49 x y + 1/120 x + 1/20 y , COEFF(-2, 1)
- 196 420
-
- 21 3 2 3 71 2 11 3
- = - --- x y - 1/60 x + 1/70 x y - 1/30 y + ---- x + --- y - 1/120 x y
- 200 5880 105
-
- 2 2 3 4 2 113 2 4 99
- - 1/98 x y + 1/30 x y + 1/120 x + 1/70 x y + --- y - 1/30 y - ----
- 735 1225
-
- 3 37 3 2
- - 1/84 x, COEFF(-1, 1) = 1/60 x y - --- x y + 1/60 x y - 1/140 x y
- 300
-
- 4 3 181 2 2 24 31 181 2
- - 1/30 x + 1/30 x + ---- x + 1/140 x y - ---- - --- x + ---- y
- 1470 1225 210 1470
-
- 3 4 2 2 31 83 2 53 2
- - 1/30 y - 1/30 y + 1/196 x y + --- y, COEFF(0, 1) = --- y - --- x
- 210 735 196
-
- 2 2 17 3 4 4 246 2
- + 1/98 x y + --- y - 1/30 y + 1/20 x - 1/30 y + ---- - 1/70 x y,
- 105 1225
-
- 3 2 3 181 2 3
- COEFF(1, 1) = - 1/60 x y - 1/140 x y - 1/60 x y + ---- x - 1/30 x
- 1470
-
- 24 181 2 37 3 2 2 2 31
- - ---- + ---- y + --- x y - 1/30 y + 1/196 x y - 1/140 x y + --- x
- 1225 1470 300 210
-
- 4 31 4 3 3
- - 1/30 y + --- y - 1/30 x , COEFF(2, 1) = - 1/30 x y - 1/30 y + 1/84 x
- 210
-
- 2 21 71 2 4 113 2 2 2
- + 1/70 x y + --- x y + ---- x - 1/30 y + --- y - 1/98 x y
- 200 5880 735
-
- 3 4 99 3 2 11
- + 1/120 x y + 1/120 x - ---- + 1/60 x - 1/70 x y + --- y, COEFF(-2, 2)
- 1225 105
-
- 2 31 3 51 3 11 289 2
- = - 1/35 x y + --- x - 1/60 x y + ---- - 1/60 x y + --- x y - ---- y
- 420 1225 150 5880
-
- 3 2 31 289 2 4 4 2 2
- + 1/60 y + 1/35 x y - --- y - ---- x + 1/120 x + 1/120 y + 1/49 x y
- 420 5880
-
- 3 3 2 71 2 3
- - 1/60 x , COEFF(-1, 2) = - 1/120 x y - 1/70 x y + ---- y + 1/60 y
- 5880
-
- 4 21 3 11 2 2 113 2 3
- + 1/120 y - --- x y + 1/30 x - --- x - 1/98 x y + --- x + 1/30 x y
- 200 105 735
-
- 99 2 4 41 2 191 2
- - ---- - 1/70 x y + 1/84 y - 1/30 x , COEFF(0, 2) = - --- x + ---- y
- 1225 196 5880
-
- 4 4 96 2 3 2 2 17
- + 1/120 y + 1/20 x + ---- - 1/35 x y + 1/60 y - 1/49 x y + --- y,
- 1225 420
-
- 99 71 2 3 3 4 21
- COEFF(1, 2) = - ---- + ---- y + 1/120 x y - 1/30 x + 1/120 y + --- x y
- 1225 5880 200
-
- 11 2 2 113 2 3 3 2
- + --- x - 1/98 x y + --- x + 1/60 y - 1/30 x y + 1/70 x y
- 105 735
-
- 2 4 3 289 2
- - 1/70 x y + 1/84 y - 1/30 x , COEFF(2, 2) = 1/60 x y - ---- x
- 5880
-
- 289 2 11 31 3 4 3 2
- - ---- y - --- x y - --- x + 1/60 x + 1/120 y + 1/60 y + 1/35 x y
- 5880 150 420
-
- 2 2 2 31 3 51 4
- + 1/49 x y + 1/35 x y - --- y + 1/60 x y + ---- + 1/120 x ]
- 420 1225
-
-> print_coeffs__lc_of_data(%, "coeffs_I->coeff_", "fp",
-> "2d.coeffs/2d.cube.order4.smooth0/coeffs-I.compute.c");
-bytes used=45034944, alloc=2162292, time=3.47
-bytes used=46035108, alloc=2162292, time=3.54
-bytes used=47035352, alloc=2162292, time=3.60
-bytes used=48052304, alloc=2162292, time=3.67
-bytes used=49052696, alloc=2227816, time=3.74
-bytes used=50052952, alloc=2227816, time=3.86
-bytes used=51053208, alloc=2227816, time=3.97
-bytes used=52055716, alloc=2227816, time=4.04
-bytes used=53062388, alloc=2227816, time=4.13
-bytes used=54063168, alloc=2227816, time=4.27
-bytes used=55063348, alloc=2227816, time=4.36
-bytes used=56070108, alloc=2227816, time=4.45
-bytes used=57070308, alloc=2227816, time=4.57
-bytes used=58070564, alloc=2227816, time=4.72
-bytes used=59070836, alloc=2227816, time=4.78
-bytes used=60071040, alloc=2227816, time=4.91
-bytes used=61071296, alloc=2227816, time=5.05
-bytes used=62071508, alloc=2227816, time=5.13
-bytes used=63071660, alloc=2227816, time=5.27
-bytes used=64071832, alloc=2227816, time=5.34
-bytes used=65072432, alloc=2227816, time=5.51
-bytes used=66072588, alloc=2227816, time=5.61
->
-# d/dx
-> simplify( diff(interp_2d_cube_order4_smooth0,x) );
-bytes used=67072804, alloc=2358864, time=5.68
-bytes used=68073096, alloc=2358864, time=5.74
-bytes used=69073300, alloc=2424388, time=5.81
-17 17 31 31
---- DATA(2, 0) + --- DATA(1, 0) + --- DATA(1, 1) - --- DATA(-1, -1)
-420 105 210 210
-
- 31 17 31
- + --- DATA(1, -1) - --- DATA(-1, 0) - --- DATA(-1, 1) + 1/84 DATA(2, -1)
- 210 105 210
-
- 2 2 2
- - 1/10 x DATA(1, 2) + 1/20 x DATA(2, 2) - 1/20 x DATA(-2, 2)
-
- 2 2
- - 1/20 x DATA(-2, 1) + 1/40 x y DATA(2, 1) + 1/35 x y DATA(2, 1)
-
- 11 11 31
- - --- DATA(-1, 2) + 1/84 DATA(2, 1) - --- DATA(-1, -2) + --- DATA(-2, -2)
- 105 105 420
-
- 2 2 2
- + 1/20 x y DATA(-1, 1) - 1/40 x y DATA(-2, 1) + 1/10 x y DATA(-1, 2)
-
- 2
- + 1/35 x y DATA(0, -1) + 1/20 x y DATA(-2, -2) - 1/70 x y DATA(-1, 1)
-
- 2 2
- - 1/35 x y DATA(2, -1) + 1/20 x y DATA(2, 2) + 1/10 x y DATA(1, -2)
-
- 2 3
- + 1/40 x y DATA(-2, -1) - 2/35 x y DATA(0, 2) + 1/120 y DATA(1, 2)
-
- 3 3 3
- - 1/60 y DATA(1, 1) - 1/60 y DATA(-1, -1) + 1/30 x DATA(-2, -1)
-
- 3 3 3
- + 1/5 x DATA(0, -1) + 1/5 x DATA(0, 1) + 1/60 y DATA(-1, 1)
-
- 2 2 2
- - 1/35 y DATA(2, 0) - 1/70 y DATA(1, 0) - 1/140 y DATA(1, 1)
-
- 3 3 3
- - 1/30 y DATA(-2, -1) + 1/60 y DATA(-2, -2) + 1/60 y DATA(2, 2)
-
- 3 3 3
- - 1/60 y DATA(-2, 2) + 1/30 y DATA(-2, 1) - 1/120 y DATA(1, -2)
-
- 3 2 2
- - 1/60 y DATA(2, -2) + 1/140 y DATA(-1, -1) - 1/140 y DATA(1, -1)
-
- 2 2 2
- + 1/70 y DATA(-1, 0) + 1/140 y DATA(-1, 1) - 1/70 y DATA(2, -1)
-
- 2 2 3
- - 1/70 y DATA(-1, 2) - 1/70 y DATA(2, 1) + 1/60 y DATA(1, -1)
-
- 3 3 3
- + 1/30 y DATA(2, -1) - 1/120 y DATA(-1, 2) - 1/30 y DATA(2, 1)
-
- 3 2 37
- + 1/120 y DATA(-1, -2) + 1/70 y DATA(-2, -1) + --- y DATA(1, 1)
- 300
-
- 37 2 2
- + --- y DATA(-1, -1) - 1/70 y DATA(-1, -2) + 1/70 y DATA(1, 2)
- 300
-
- 2 2 2
- + 1/35 y DATA(2, 2) - 1/35 y DATA(-2, 2) + 1/70 y DATA(-2, 1)
-
- 2 2 21
- - 1/35 y DATA(-2, -2) - 1/20 x y DATA(1, 1) + --- y DATA(1, 2)
- 200
-
- 11 11 21
- - --- y DATA(2, 2) + --- y DATA(-2, 2) - --- y DATA(-2, 1)
- 150 150 200
-
- 21 11 21
- - --- y DATA(1, -2) + --- y DATA(2, -2) + --- y DATA(-2, -1)
- 200 150 200
-
- 37 2 2
- - --- y DATA(-1, 1) + 1/35 y DATA(-2, 0) + 1/70 y DATA(1, -2)
- 300
-
- 2 2
- + 1/35 y DATA(2, -2) - 1/10 x y DATA(1, 2) - 1/35 x y DATA(0, 1)
-
- 2
- - 1/10 x y DATA(-1, -2) + 1/70 x y DATA(1, -1) - 1/35 x y DATA(-1, 2)
-
- 11 2 2
- + --- DATA(1, 2) - 2/49 x y DATA(0, -2) + 1/49 x y DATA(1, 0)
- 105
-
- 2
- + 1/49 x y DATA(-1, 0) + 1/35 x y DATA(-2, 1) - 2/35 x y DATA(2, -2)
-
- - 1/35 x y DATA(-2, -1) + 1/35 x y DATA(1, -2) + 1/35 x y DATA(-1, -2)
-
- + 2/35 x y DATA(0, -2) - 2/35 x y DATA(-2, -2) - 1/35 x y DATA(1, 2)
-
- 2
- + 2/35 x y DATA(2, 2) + 2/35 x y DATA(-2, 2) - 1/49 x y DATA(1, -2)
-
- 2 2 2
- + 2/49 x y DATA(2, -2) - 1/49 x y DATA(-2, -1) + 1/49 x y DATA(0, 1)
-
- 2 2 31
- + 1/49 x y DATA(0, -1) - 2/49 x y DATA(0, 2) - --- DATA(2, 2)
- 420
-
- 2 2 2
- + 2/49 x y DATA(2, 2) + 2/49 x y DATA(-2, 2) + 1/98 x y DATA(-1, -1)
-
- 2 2 2
- + 1/98 x y DATA(1, -1) + 1/98 x y DATA(1, 1) - 2/49 x y DATA(2, 0)
-
- 2 3 3
- + 2/49 x y DATA(0, 0) - 2/15 x DATA(1, 1) + 1/30 x DATA(-2, 1)
-
- 3 3 3
- - 2/15 x DATA(-1, -2) + 1/30 x DATA(-2, -2) - 2/15 x DATA(1, 2)
-
- 3 3 3
- + 1/30 x DATA(2, 2) + 1/30 x DATA(-2, 2) - 2/15 x DATA(-1, -1)
-
- 3 3 3
- - 2/15 x DATA(1, -1) - 2/15 x DATA(-1, 1) + 1/30 x DATA(2, -1)
-
- 3 3 3
- - 2/15 x DATA(-1, 2) + 1/30 x DATA(2, 0) + 1/5 x DATA(0, 0)
-
- 3 3 37
- - 2/15 x DATA(1, -2) + 1/30 x DATA(2, -2) - --- y DATA(1, -1)
- 300
-
- 21 21 21
- - --- y DATA(2, -1) - --- y DATA(-1, 2) + --- y DATA(2, 1)
- 200 200 200
-
- 21 11 2
- + --- y DATA(-1, -2) - --- y DATA(-2, -2) + 1/98 x y DATA(-1, 1)
- 200 150
-
- 53 3 181
- - -- x DATA(0, 1) + 1/30 x DATA(2, 1) + --- x DATA(1, 1)
- 98 735
-
- 191 57 226
- + ---- x DATA(2, 0) - -- x DATA(0, 0) + --- x DATA(1, -2)
- 2940 98 735
-
- 3 3 3
- + 1/5 x DATA(0, 2) + 1/5 x DATA(0, -2) - 2/15 x DATA(1, 0)
-
- 3 3 71
- - 2/15 x DATA(-1, 0) + 1/30 x DATA(-2, 0) + ---- x DATA(-2, -1)
- 2940
-
- 191 71 226
- + ---- x DATA(-2, 0) + ---- x DATA(-2, 1) + --- x DATA(-1, -2)
- 2940 2940 735
-
- 289 226 289
- - ---- x DATA(-2, -2) + --- x DATA(1, 2) - ---- x DATA(2, 2)
- 2940 735 2940
-
- 289 2 2
- - ---- x DATA(2, -2) - 1/49 x y DATA(2, -1) - 1/10 x DATA(1, 1)
- 2940
-
- 2 2 2
- + 1/10 x DATA(-1, -1) - 1/10 x DATA(1, -1) + 1/10 x DATA(-1, 0)
-
- 2 2 2
- + 1/10 x DATA(-1, 1) + 1/20 x DATA(2, -1) + 1/10 x DATA(-1, 2)
-
- 2 289 181
- + 1/20 x DATA(2, 1) - ---- x DATA(-2, 2) + --- x DATA(1, -1)
- 2940 735
-
- 181 71 226
- + --- x DATA(-1, 1) + ---- x DATA(2, -1) + --- x DATA(-1, 2)
- 735 2940 735
-
- 71 181 53
- + ---- x DATA(2, 1) + --- x DATA(-1, -1) - -- x DATA(0, -1)
- 2940 735 98
-
- 41 41 166
- - -- x DATA(0, 2) - -- x DATA(0, -2) + --- x DATA(1, 0)
- 98 98 735
-
- 166 2 2
- + --- x DATA(-1, 0) - 1/20 x DATA(-2, 0) - 1/10 x DATA(1, -2)
- 735
-
- 2 2 2
- + 1/20 x DATA(2, -2) - 1/20 x DATA(-2, -1) + 1/20 x DATA(2, 0)
-
- 2 2 2
- - 1/10 x DATA(1, 0) - 1/49 x y DATA(-1, 2) - 1/40 x y DATA(2, -1)
-
- 2 2 2
- - 1/20 x y DATA(-1, -1) + 1/20 x y DATA(1, -1) - 1/49 x y DATA(2, 1)
-
- 2 2 2
- - 2/49 x y DATA(-2, 0) - 1/49 x y DATA(-2, 1) - 1/49 x y DATA(-1, -2)
-
- 2 2
- + 2/49 x y DATA(-2, -2) - 1/49 x y DATA(1, 2) + 1/70 x y DATA(-1, -1)
-
- 2 2
- - 1/20 x y DATA(2, -2) - 1/20 x y DATA(-2, 2) - 1/70 x y DATA(1, 1)
-
- 2 2 31
- + 1/10 x DATA(-1, -2) - 1/20 x DATA(-2, -2) + --- DATA(-2, 2)
- 420
-
- 17 11 31
- - 1/84 DATA(-2, 1) - --- DATA(-2, 0) + --- DATA(1, -2) - --- DATA(2, -2)
- 420 105 420
-
- - 1/84 DATA(-2, -1)
-
-> coeffs_as_lc_of_data(%, posn_list_2d_size5);
-bytes used=70074076, alloc=2489912, time=5.88
- 11 289 3 2 2
-[COEFF(-2, -2) = - --- y - ---- x - 2/35 x y + 1/60 y - 1/20 x + 1/20 x y
- 150 2940
-
- 2 31 3 2 3 11
- - 1/35 y + --- + 1/30 x + 2/49 x y , COEFF(-1, -2) = - 2/15 x - ---
- 420 105
-
- 21 2 2 2 2 226
- + --- y - 1/70 y + 1/35 x y - 1/49 x y + 1/10 x - 1/10 x y + --- x
- 200 735
-
- 3 2 3 41
- + 1/120 y , COEFF(0, -2) = - 2/49 x y + 2/35 x y + 1/5 x - -- x,
- 98
-
- 11 2 226 2 3
- COEFF(1, -2) = 1/35 x y + --- - 1/49 x y + --- x + 1/10 x y - 1/120 y
- 105 735
-
- 2 21 3 2 2
- - 1/10 x - --- y - 2/15 x + 1/70 y , COEFF(2, -2) = - 1/20 x y
- 200
-
- 2 31 3 2 2 11
- - 2/35 x y + 1/35 y - --- - 1/60 y + 2/49 x y + 1/20 x + --- y
- 420 150
-
- 289 3 21 2
- - ---- x + 1/30 x , COEFF(-2, -1) = --- y + 1/40 x y - 1/84 - 1/35 x y
- 2940 200
-
- 2 71 2 3 3 2
- - 1/49 x y + ---- x - 1/20 x + 1/30 x - 1/30 y + 1/70 y ,
- 2940
-
- 3 2 2 3
- COEFF(-1, -1) = - 2/15 x + 1/10 x - 1/20 x y + 1/70 x y - 1/60 y
-
- 2 37 181 31 2
- + 1/140 y + --- y + --- x - --- + 1/98 x y ,
- 300 735 210
-
- 2 53 3
- COEFF(0, -1) = 1/49 x y - -- x + 1/5 x + 1/35 x y, COEFF(1, -1) =
- 98
-
- 2 2 3 181 37 31 2
- - 1/10 x + 1/98 x y + 1/60 y + --- x + 1/70 x y - --- y + --- - 1/140 y
- 735 300 210
-
- 2 3 3 71 2
- + 1/20 x y - 2/15 x , COEFF(2, -1) = 1/30 y + 1/84 + ---- x - 1/40 x y
- 2940
-
- 2 21 2 2 3
- - 1/49 x y - --- y - 1/35 x y + 1/20 x - 1/70 y + 1/30 x ,
- 200
-
- 191 2 2 2 3 17
- COEFF(-2, 0) = ---- x + 1/35 y - 2/49 x y - 1/20 x + 1/30 x - ---,
- 2940 420
-
- 3 2 17 2 166 2
- COEFF(-1, 0) = - 2/15 x + 1/70 y - --- + 1/49 x y + --- x + 1/10 x ,
- 105 735
-
- 3 57 2
- COEFF(0, 0) = 1/5 x - -- x + 2/49 x y ,
- 98
-
- 2 2 17 2 3 166
- COEFF(1, 0) = 1/49 x y - 1/70 y + --- - 1/10 x - 2/15 x + --- x,
- 105 735
-
- 2 17 3 191 2 2
- COEFF(2, 0) = - 2/49 x y + --- + 1/30 x + ---- x - 1/35 y + 1/20 x ,
- 420 2940
-
- 3 2 71 21 2
- COEFF(-2, 1) = 1/30 x - 1/40 x y + ---- x - --- y - 1/20 x + 1/35 x y
- 2940 200
-
- 2 2 3 3 2
- + 1/70 y - 1/84 - 1/49 x y + 1/30 y , COEFF(-1, 1) = 1/60 y + 1/98 x y
-
- 2 31 2 181 3 37
- + 1/140 y - --- + 1/20 x y + --- x - 2/15 x - 1/70 x y - --- y
- 210 735 300
-
- 2 3 2 53
- + 1/10 x , COEFF(0, 1) = 1/5 x - 1/35 x y + 1/49 x y - -- x, COEFF(1, 1)
- 98
-
- 3 181 2 2 2
- = - 1/60 y - 1/70 x y + --- x + 1/98 x y - 1/20 x y - 1/140 y
- 735
-
- 3 37 31 2 2 2
- - 2/15 x + --- y + --- - 1/10 x , COEFF(2, 1) = - 1/49 x y + 1/40 x y
- 300 210
-
- 21 71 3 3 2 2
- + 1/35 x y + --- y + 1/84 + ---- x + 1/30 x - 1/30 y + 1/20 x - 1/70 y
- 200 2940
-
- 31 2 3 11 2
- , COEFF(-2, 2) = --- - 1/20 x y + 1/30 x + 2/35 x y + --- y + 2/49 x y
- 420 150
-
- 3 2 289 2
- - 1/60 y - 1/35 y - ---- x - 1/20 x , COEFF(-1, 2) = - 1/35 x y
- 2940
-
- 2 3 11 3 2 2 21
- - 1/70 y - 2/15 x - --- - 1/120 y - 1/49 x y + 1/10 x y - --- y
- 105 200
-
- 226 2 2 3 41
- + --- x + 1/10 x , COEFF(0, 2) = - 2/49 x y + 1/5 x - 2/35 x y - -- x,
- 735 98
-
- 2 21 3 3 2
- COEFF(1, 2) = - 1/35 x y - 1/10 x + --- y + 1/120 y - 2/15 x - 1/49 x y
- 200
-
- 2 11 2 226 2 31 3
- + 1/70 y + --- - 1/10 x y + --- x, COEFF(2, 2) = 1/20 x - --- + 1/60 y
- 105 735 420
-
- 2 2 11 289 2 3
- + 1/20 x y + 2/49 x y - --- y + 2/35 x y - ---- x + 1/35 y + 1/30 x ]
- 150 2940
-
-> print_coeffs__lc_of_data(%, "coeffs_dx->coeff_", "fp",
-> "2d.coeffs/2d.cube.order4.smooth0/coeffs-dx.compute.c");
-bytes used=71074548, alloc=2489912, time=5.96
-bytes used=72074804, alloc=2489912, time=6.03
-bytes used=73076960, alloc=2489912, time=6.10
-bytes used=74077744, alloc=2489912, time=6.24
-bytes used=75078056, alloc=2489912, time=6.32
-bytes used=76078252, alloc=2489912, time=6.46
-bytes used=77078548, alloc=2489912, time=6.53
-bytes used=78078716, alloc=2489912, time=6.69
-bytes used=79078944, alloc=2489912, time=6.78
-bytes used=80079564, alloc=2489912, time=6.91
->
-# d/dy
-> simplify( diff(interp_2d_cube_order4_smooth0,y) );
-bytes used=81080236, alloc=2489912, time=7.01
-bytes used=82080460, alloc=2489912, time=7.07
-bytes used=83081684, alloc=2489912, time=7.13
-17 31 17 31
---- DATA(0, 1) + --- DATA(1, 1) - --- DATA(0, -1) - --- DATA(-1, -1)
-105 210 105 210
-
- 31 2 2
- - --- DATA(1, -1) + 1/35 x DATA(0, -2) - 1/35 x DATA(0, 2)
- 210
-
- 2 2 2
- + 1/70 x DATA(0, -1) + 1/10 y DATA(0, -1) - 1/20 y DATA(0, -2)
-
- 2 2 53
- - 1/10 y DATA(0, 1) + 1/20 y DATA(0, 2) - -- y DATA(-1, 0)
- 98
-
- 166 41 2
- + --- y DATA(0, -1) - -- y DATA(-2, 0) - 2/49 x y DATA(0, 2)
- 735 98
-
- 2 2 2
- + 1/49 x y DATA(0, -1) - 2/49 x y DATA(0, -2) - 2/49 x y DATA(2, 0)
-
- 2 2 2
- + 2/49 x y DATA(0, 0) + 1/49 x y DATA(1, 0) + 1/49 x y DATA(-1, 0)
-
- 2
- - 2/49 x y DATA(-2, 0) - 2/35 x y DATA(2, 0) - 1/35 x y DATA(1, 0)
-
- 2
- + 1/49 x y DATA(0, 1) + 2/35 x y DATA(-2, 0) + 1/35 x y DATA(-1, 0)
-
- 2 53 41 57
- - 1/70 x DATA(0, 1) - -- y DATA(1, 0) - -- y DATA(2, 0) - -- y DATA(0, 0)
- 98 98 98
-
- 191 191 3
- + ---- y DATA(0, -2) + ---- y DATA(0, 2) + 1/5 y DATA(1, 0)
- 2940 2940
-
- 3 3 3
- + 1/5 y DATA(-1, 0) + 1/5 y DATA(-2, 0) - 2/15 y DATA(0, -1)
-
- 3 166 3
- + 1/30 y DATA(0, 2) + --- y DATA(0, 1) + 1/30 y DATA(0, -2)
- 735
-
- 3 3 3
- + 1/5 y DATA(2, 0) + 1/5 y DATA(0, 0) - 2/15 y DATA(0, 1)
-
- 31 11 2
- + --- DATA(-1, 1) - --- DATA(2, -1) - 1/70 x DATA(1, 2)
- 210 105
-
- 2 2 2
- + 1/35 x DATA(2, 2) + 1/35 x DATA(-2, 2) + 1/70 x DATA(-2, 1)
-
- 2 17
- - 1/49 x y DATA(2, 1) - 1/35 x y DATA(2, 1) + --- DATA(0, 2)
- 420
-
- 11 17
- + 1/84 DATA(-1, 2) + --- DATA(2, 1) - 1/84 DATA(-1, -2) - --- DATA(0, -2)
- 105 420
-
- 31 2 2
- + --- DATA(-2, -2) + 1/98 x y DATA(-1, 1) - 1/49 x y DATA(-2, 1)
- 420
-
- 2 2
- - 1/49 x y DATA(-1, 2) + 2/49 x y DATA(-2, -2) + 1/70 x y DATA(-1, 1)
-
- 2 2
- - 1/35 x y DATA(2, -1) + 2/49 x y DATA(2, 2) - 1/49 x y DATA(1, -2)
-
- 2 3 3
- - 1/49 x y DATA(-2, -1) + 1/30 y DATA(1, 2) - 2/15 y DATA(1, 1)
-
- 3 3 3
- - 2/15 y DATA(-1, -1) + 1/120 x DATA(-2, -1) - 2/15 y DATA(-1, 1)
-
- 2 3 3
- - 1/10 y DATA(1, 1) - 2/15 y DATA(-2, -1) + 1/30 y DATA(-2, -2)
-
- 3 3 3
- + 1/30 y DATA(2, 2) + 1/30 y DATA(-2, 2) - 2/15 y DATA(-2, 1)
-
- 3 3 2
- + 1/30 y DATA(1, -2) + 1/30 y DATA(2, -2) + 1/10 y DATA(-1, -1)
-
- 2 2 2
- + 1/10 y DATA(1, -1) - 1/10 y DATA(-1, 1) + 1/10 y DATA(2, -1)
-
- 2 2 3
- + 1/20 y DATA(-1, 2) - 1/10 y DATA(2, 1) - 2/15 y DATA(1, -1)
-
- 3 3 3
- - 2/15 y DATA(2, -1) + 1/30 y DATA(-1, 2) - 2/15 y DATA(2, 1)
-
- 3 2 181
- + 1/30 y DATA(-1, -2) + 1/10 y DATA(-2, -1) + --- y DATA(1, 1)
- 735
-
- 181 2 2
- + --- y DATA(-1, -1) - 1/20 y DATA(-1, -2) + 1/20 y DATA(1, 2)
- 735
-
- 2 2 2
- + 1/20 y DATA(2, 2) + 1/20 y DATA(-2, 2) - 1/10 y DATA(-2, 1)
-
- 2 2 71
- - 1/20 y DATA(-2, -2) + 1/98 x y DATA(1, 1) + ---- y DATA(1, 2)
- 2940
-
- 289 289 226
- - ---- y DATA(2, 2) - ---- y DATA(-2, 2) + --- y DATA(-2, 1)
- 2940 2940 735
-
- 71 289 226
- + ---- y DATA(1, -2) - ---- y DATA(2, -2) + --- y DATA(-2, -1)
- 2940 2940 735
-
- 181 2 2
- + --- y DATA(-1, 1) - 1/20 y DATA(1, -2) - 1/20 y DATA(2, -2)
- 735
-
- 2 2
- - 1/49 x y DATA(1, 2) - 1/49 x y DATA(-1, -2) - 1/70 x y DATA(1, -1)
-
- - 1/35 x y DATA(-1, 2) + 1/84 DATA(1, 2) + 1/35 x y DATA(-2, 1)
-
- + 2/35 x y DATA(2, -2) + 1/35 x y DATA(-2, -1) + 1/35 x y DATA(1, -2)
-
- - 1/35 x y DATA(-1, -2) - 2/35 x y DATA(-2, -2) + 1/35 x y DATA(1, 2)
-
- 2
- + 2/35 x y DATA(2, 2) - 2/35 x y DATA(-2, 2) - 1/40 x y DATA(1, -2)
-
- 2 2 31
- - 1/20 x y DATA(2, -2) - 1/10 x y DATA(-2, -1) - --- DATA(2, 2)
- 420
-
- 2 2 2
- + 1/20 x y DATA(2, 2) - 1/20 x y DATA(-2, 2) - 1/20 x y DATA(-1, -1)
-
- 2 2 3
- + 1/20 x y DATA(1, -1) - 1/20 x y DATA(1, 1) - 1/60 x DATA(1, 1)
-
- 3 3 3
- - 1/120 x DATA(-2, 1) - 1/30 x DATA(-1, -2) + 1/60 x DATA(-2, -2)
-
- 3 3 3
- - 1/30 x DATA(1, 2) + 1/60 x DATA(2, 2) - 1/60 x DATA(-2, 2)
-
- 3 3 3
- - 1/60 x DATA(-1, -1) + 1/60 x DATA(1, -1) + 1/60 x DATA(-1, 1)
-
- 3 3 3
- - 1/120 x DATA(2, -1) + 1/30 x DATA(-1, 2) + 1/30 x DATA(1, -2)
-
- 3 181 226
- - 1/60 x DATA(2, -2) + --- y DATA(1, -1) + --- y DATA(2, -1)
- 735 735
-
- 71 226 71
- + ---- y DATA(-1, 2) + --- y DATA(2, 1) + ---- y DATA(-1, -2)
- 2940 735 2940
-
- 289 2 3
- - ---- y DATA(-2, -2) + 1/20 x y DATA(-1, 1) + 1/120 x DATA(2, 1)
- 2940
-
- 37 21 21
- + --- x DATA(1, 1) - --- x DATA(1, -2) + --- x DATA(-2, -1)
- 300 200 200
-
- 21 21 11
- - --- x DATA(-2, 1) + --- x DATA(-1, -2) - --- x DATA(-2, -2)
- 200 200 150
-
- 21 11 11
- + --- x DATA(1, 2) - --- x DATA(2, 2) + --- x DATA(2, -2)
- 200 150 150
-
- 2 2 2
- + 1/10 x y DATA(2, -1) - 1/140 x DATA(1, 1) + 1/140 x DATA(-1, -1)
-
- 2 2 2
- + 1/140 x DATA(1, -1) - 1/140 x DATA(-1, 1) - 1/70 x DATA(2, -1)
-
- 2 2 11
- - 1/70 x DATA(-1, 2) + 1/70 x DATA(2, 1) + --- x DATA(-2, 2)
- 150
-
- 37 37 21
- - --- x DATA(1, -1) - --- x DATA(-1, 1) - --- x DATA(2, -1)
- 300 300 200
-
- 21 21 37
- - --- x DATA(-1, 2) + --- x DATA(2, 1) + --- x DATA(-1, -1)
- 200 200 300
-
- 2 2 2
- + 1/70 x DATA(1, -2) - 1/35 x DATA(2, -2) - 1/70 x DATA(-2, -1)
-
- 2 2 2
- - 1/40 x y DATA(-1, 2) - 1/49 x y DATA(2, -1) + 1/98 x y DATA(-1, -1)
-
- 2 2 2
- + 1/98 x y DATA(1, -1) - 1/10 x y DATA(2, 1) + 1/10 x y DATA(-2, 1)
-
- 2 2 2
- + 1/40 x y DATA(-1, -2) + 1/20 x y DATA(-2, -2) + 1/40 x y DATA(1, 2)
-
- 2 2
- + 1/70 x y DATA(-1, -1) + 2/49 x y DATA(2, -2) + 2/49 x y DATA(-2, 2)
-
- 2 2
- - 1/70 x y DATA(1, 1) + 1/70 x DATA(-1, -2) - 1/35 x DATA(-2, -2)
-
- 31 11 31
- - --- DATA(-2, 2) + --- DATA(-2, 1) - 1/84 DATA(1, -2) + --- DATA(2, -2)
- 420 105 420
-
- 11
- - --- DATA(-2, -1)
- 105
-
-> coeffs_as_lc_of_data(%, posn_list_2d_size5);
-bytes used=84082964, alloc=2555436, time=7.20
- 289 2 31 11 2
-[COEFF(-2, -2) = - ---- y - 1/35 x + --- - --- x - 2/35 x y + 1/20 x y
- 2940 420 150
-
- 2 2 3 3 3
- + 2/49 x y - 1/20 y + 1/30 y + 1/60 x , COEFF(-1, -2) = - 1/30 x
-
- 2 2 2 3 21 2
- - 1/49 x y + 1/40 x y - 1/20 y + 1/30 y + --- x + 1/70 x - 1/84
- 200
-
- 71
- + ---- y - 1/35 x y,
- 2940
-
- 3 191 2 2 17 2
- COEFF(0, -2) = 1/30 y + ---- y + 1/35 x - 1/20 y - --- - 2/49 x y,
- 2940 420
-
- 2 2 21 71 3
- COEFF(1, -2) = - 1/20 y - 1/40 x y - --- x + ---- y + 1/30 y + 1/35 x y
- 200 2940
-
- 2 3 2 2
- - 1/49 x y - 1/84 + 1/30 x + 1/70 x , COEFF(2, -2) = - 1/20 y
-
- 2 11 289 3 2 3
- - 1/20 x y + --- x - ---- y - 1/60 x - 1/35 x + 2/35 x y + 1/30 y
- 150 2940
-
- 31 2 2 2 11 21
- + --- + 2/49 x y, COEFF(-2, -1) = 1/10 y - 1/49 x y - --- + --- x
- 420 105 200
-
- 3 226 3 2 2
- + 1/35 x y - 2/15 y + --- y + 1/120 x - 1/10 x y - 1/70 x ,
- 735
-
- 3 3 2 2 2
- COEFF(-1, -1) = - 1/60 x - 2/15 y + 1/140 x + 1/10 y + 1/98 x y
-
- 2 37 31 181
- - 1/20 x y + --- x - --- + --- y + 1/70 x y,
- 300 210 735
-
- 17 2 2 3 2 166
- COEFF(0, -1) = - --- + 1/10 y + 1/70 x - 2/15 y + 1/49 x y + --- y,
- 105 735
-
- 181 2 2 2 31 37
- COEFF(1, -1) = --- y + 1/10 y + 1/20 x y + 1/140 x - --- - --- x
- 735 210 300
-
- 2 3 3 2
- + 1/98 x y - 1/70 x y - 2/15 y + 1/60 x , COEFF(2, -1) = 1/10 x y
-
- 3 3 2 2 226 2
- - 1/120 x - 2/15 y - 1/70 x - 1/49 x y + --- y - 1/35 x y + 1/10 y
- 735
-
- 11 21 3 41 2
- - --- - --- x, COEFF(-2, 0) = 1/5 y - -- y + 2/35 x y - 2/49 x y,
- 105 200 98
-
- 53 2 3
- COEFF(-1, 0) = - -- y + 1/49 x y + 1/5 y + 1/35 x y,
- 98
-
- 57 3 2
- COEFF(0, 0) = - -- y + 1/5 y + 2/49 x y,
- 98
-
- 3 2 53
- COEFF(1, 0) = - 1/35 x y + 1/5 y + 1/49 x y - -- y,
- 98
-
- 41 3 2 226
- COEFF(2, 0) = - -- y + 1/5 y - 2/35 x y - 2/49 x y, COEFF(-2, 1) = --- y
- 98 735
-
- 2 3 2 2 2 3 11
- - 1/10 y - 2/15 y + 1/70 x + 1/10 x y - 1/49 x y - 1/120 x + ---
- 105
-
- 21 2 3 3
- - --- x + 1/35 x y, COEFF(-1, 1) = - 1/10 y + 1/60 x - 2/15 y
- 200
-
- 37 2 31 2 2 181
- + 1/70 x y - --- x + 1/98 x y + --- + 1/20 x y - 1/140 x + --- y,
- 300 210 735
-
- 17 2 3 2 166 2
- COEFF(0, 1) = --- - 1/70 x - 2/15 y + 1/49 x y + --- y - 1/10 y ,
- 105 735
-
- 2 37 3 3 2 2
- COEFF(1, 1) = - 1/20 x y + --- x - 1/60 x - 2/15 y + 1/98 x y - 1/10 y
- 300
-
- 31 181 2 2 3
- + --- + --- y - 1/70 x y - 1/140 x , COEFF(2, 1) = - 1/10 y + 1/120 x
- 210 735
-
- 11 2 2 226 3 21
- + --- - 1/10 x y + 1/70 x + --- y - 1/35 x y - 2/15 y + --- x
- 105 735 200
-
- 2 2 2 3 3
- - 1/49 x y, COEFF(-2, 2) = 2/49 x y + 1/20 y - 1/60 x + 1/30 y
-
- 2 11 31 289 2
- + 1/35 x + --- x - --- - ---- y - 2/35 x y - 1/20 x y , COEFF(-1, 2) =
- 150 420 2940
-
- 2 2 3 71 2
- - 1/40 x y - 1/35 x y + 1/20 y + 1/30 x + 1/84 + ---- y - 1/70 x
- 2940
-
- 2 3 21
- - 1/49 x y + 1/30 y - --- x,
- 200
-
- 2 17 3 2 191 2
- COEFF(0, 2) = - 1/35 x + --- + 1/30 y - 2/49 x y + ---- y + 1/20 y ,
- 420 2940
-
- 3 2 2 3
- COEFF(1, 2) = 1/84 + 1/30 y - 1/49 x y - 1/70 x - 1/30 x + 1/35 x y
-
- 2 2 21 71 3
- + 1/20 y + 1/40 x y + --- x + ---- y, COEFF(2, 2) = 2/35 x y + 1/30 y
- 200 2940
-
- 11 31 289 2 2 3 2
- - --- x - --- - ---- y + 1/35 x + 2/49 x y + 1/60 x + 1/20 x y
- 150 420 2940
-
- 2
- + 1/20 y ]
-
-> print_coeffs__lc_of_data(%, "coeffs_dy->coeff_", "fp",
-> "2d.coeffs/2d.cube.order4.smooth0/coeffs-dy.compute.c");
-bytes used=85083136, alloc=2555436, time=7.28
-bytes used=86083376, alloc=2555436, time=7.35
-bytes used=87083652, alloc=2555436, time=7.44
-bytes used=88083808, alloc=2555436, time=7.60
-bytes used=89087088, alloc=2555436, time=7.68
-bytes used=90087256, alloc=2555436, time=7.86
-bytes used=91087488, alloc=2555436, time=7.95
-bytes used=92087708, alloc=2555436, time=8.14
-bytes used=93087872, alloc=2555436, time=8.22
-bytes used=94088076, alloc=2555436, time=8.41
->
-# d^2/dx^2
-> simplify( diff(interp_2d_cube_order4_smooth0,x,x) );
-bytes used=95088296, alloc=2555436, time=8.51
-bytes used=96088500, alloc=2555436, time=8.57
-191 57 166 53
----- DATA(2, 0) - -- DATA(0, 0) + --- DATA(1, 0) - -- DATA(0, 1)
-2940 98 735 98
-
- 181 53 181 181
- + --- DATA(1, 1) - -- DATA(0, -1) + --- DATA(-1, -1) + --- DATA(1, -1)
- 735 98 735 735
-
- 166 2 2
- + --- DATA(-1, 0) + 3/5 x DATA(0, -2) + 3/5 x DATA(0, 2)
- 735
-
- 2 2 2
- + 3/5 x DATA(0, -1) + 1/49 y DATA(0, -1) - 2/49 y DATA(0, -2)
-
- 2 2
- + 1/49 y DATA(0, 1) - 2/49 y DATA(0, 2) + 1/35 y DATA(0, -1)
-
- 2
- + 3/5 x DATA(0, 1) + 2/35 y DATA(0, -2) - 2/35 y DATA(0, 2)
-
- 181 71
- - 1/35 y DATA(0, 1) + --- DATA(-1, 1) + ---- DATA(2, -1)
- 735 2940
-
- 2 2
- + 1/5 x DATA(-1, 0) - 2/5 x DATA(1, 2) + 1/10 x DATA(2, 2)
-
- 2 2
- + 1/10 x DATA(-2, 2) + 1/10 x DATA(-2, 1) + 1/20 x y DATA(2, 1)
-
- 41 226 71
- - -- DATA(0, 2) + --- DATA(-1, 2) + ---- DATA(2, 1) + 1/10 x DATA(2, 0)
- 98 735 2940
-
- 226 41 289
- - 1/5 x DATA(1, 0) + --- DATA(-1, -2) - -- DATA(0, -2) - ---- DATA(-2, -2)
- 735 98 2940
-
- 2
- + 1/10 x y DATA(-1, 1) - 1/20 x y DATA(2, -1) + 1/98 y DATA(1, 1)
-
- 2 2 2
- + 1/98 y DATA(-1, -1) + 1/98 y DATA(1, -1) + 1/98 y DATA(-1, 1)
-
- 2 2 2
- - 1/49 y DATA(2, -1) - 1/49 y DATA(-1, 2) - 1/49 y DATA(2, 1)
-
- 2
- - 1/49 y DATA(-2, -1) - 1/70 y DATA(1, 1) + 1/70 y DATA(-1, -1)
-
- 2 2 2
- - 1/49 y DATA(-1, -2) - 1/49 y DATA(1, 2) + 2/49 y DATA(2, 2)
-
- 2 2 2
- + 2/49 y DATA(-2, 2) - 1/49 y DATA(-2, 1) + 2/49 y DATA(-2, -2)
-
- - 1/35 y DATA(1, 2) + 2/35 y DATA(2, 2) + 2/35 y DATA(-2, 2)
-
- + 1/35 y DATA(-2, 1) + 1/35 y DATA(1, -2) - 2/35 y DATA(2, -2)
-
- 2
- - 1/35 y DATA(-2, -1) - 1/70 y DATA(-1, 1) - 1/49 y DATA(1, -2)
-
- 2
- + 2/49 y DATA(2, -2) + 1/10 x y DATA(1, -1) + 1/5 x y DATA(-1, 2)
-
- 226
- + --- DATA(1, 2) - 1/20 x y DATA(-2, 1) - 1/10 x y DATA(2, -2)
- 735
-
- + 1/20 x y DATA(-2, -1) + 1/5 x y DATA(1, -2) - 1/5 x y DATA(-1, -2)
-
- + 1/10 x y DATA(-2, -2) - 1/5 x y DATA(1, 2) + 1/10 x y DATA(2, 2)
-
- 289
- - 1/10 x y DATA(-2, 2) - ---- DATA(2, 2) + 1/70 y DATA(1, -1)
- 2940
-
- - 1/35 y DATA(2, -1) - 1/35 y DATA(-1, 2) + 1/35 y DATA(2, 1)
-
- + 1/35 y DATA(-1, -2) - 2/35 y DATA(-2, -2) - 1/5 x DATA(1, 1)
-
- - 1/5 x DATA(1, -2) - 1/10 x DATA(-2, -1) - 1/10 x DATA(-2, 1)
-
- + 1/5 x DATA(-1, -2) - 1/10 x DATA(-2, -2) - 1/5 x DATA(1, 2)
-
- 2
- + 1/10 x DATA(2, 2) + 1/10 x DATA(2, -2) - 2/5 x DATA(1, 1)
-
- 2 2
- - 2/5 x DATA(-1, -1) - 2/5 x DATA(1, -1) - 1/10 x DATA(-2, 0)
-
- 2 2 2
- - 2/5 x DATA(-1, 1) + 1/10 x DATA(2, -1) - 2/5 x DATA(-1, 2)
-
- 2
- + 1/10 x DATA(2, 1) - 1/10 x DATA(-2, 2) - 1/5 x DATA(1, -1)
-
- + 1/5 x DATA(-1, 1) + 1/10 x DATA(2, -1) + 1/5 x DATA(-1, 2)
-
- 2
- + 1/10 x DATA(2, 1) + 1/5 x DATA(-1, -1) - 2/5 x DATA(1, -2)
-
- 2 2
- + 1/10 x DATA(2, -2) + 1/10 x DATA(-2, -1) - 1/10 x y DATA(-1, -1)
-
- 2 2
- - 1/10 x y DATA(1, 1) - 2/5 x DATA(-1, -2) + 1/10 x DATA(-2, -2)
-
- 2 289 71
- + 2/49 y DATA(0, 0) - ---- DATA(-2, 2) + ---- DATA(-2, 1)
- 2940 2940
-
- 191 226 289
- + ---- DATA(-2, 0) + --- DATA(1, -2) - ---- DATA(2, -2)
- 2940 735 2940
-
- 71 2 2
- + ---- DATA(-2, -1) - 2/49 y DATA(2, 0) + 1/49 y DATA(-1, 0)
- 2940
-
- 2 2 2
- - 2/49 y DATA(-2, 0) + 1/49 y DATA(1, 0) - 2/5 x DATA(1, 0)
-
- 2 2 2
- - 2/5 x DATA(-1, 0) + 1/10 x DATA(-2, 0) + 3/5 x DATA(0, 0)
-
- 2
- + 1/10 x DATA(2, 0)
-
-> coeffs_as_lc_of_data(%, posn_list_2d_size5);
-bytes used=97091392, alloc=2555436, time=8.63
- 2 289 2
-[COEFF(-2, -2) = 2/49 y - 2/35 y + 1/10 x y - ---- - 1/10 x + 1/10 x ,
- 2940
-
- 2 226 2
- COEFF(-1, -2) = 1/35 y - 2/5 x + --- - 1/5 x y + 1/5 x - 1/49 y ,
- 735
-
- 41 2 2
- COEFF(0, -2) = - -- + 2/35 y + 3/5 x - 2/49 y ,
- 98
-
- 2 226 2
- COEFF(1, -2) = 1/35 y - 2/5 x + --- - 1/49 y + 1/5 x y - 1/5 x,
- 735
-
- 2 289 2
- COEFF(2, -2) = - 2/35 y + 1/10 x - 1/10 x y + 1/10 x - ---- + 2/49 y ,
- 2940
-
- 2 2 71
- COEFF(-2, -1) = - 1/49 y + 1/10 x + 1/20 x y - 1/10 x - 1/35 y + ----,
- 2940
-
- 2 181 2
- COEFF(-1, -1) = 1/70 y + 1/5 x - 1/10 x y + 1/98 y + --- - 2/5 x ,
- 735
-
- 2 2 53
- COEFF(0, -1) = 3/5 x + 1/49 y + 1/35 y - --,
- 98
-
- 181 2 2
- COEFF(1, -1) = --- + 1/98 y - 1/5 x - 2/5 x + 1/10 x y + 1/70 y,
- 735
-
- 2 2 71
- COEFF(2, -1) = - 1/35 y + 1/10 x - 1/49 y + ---- + 1/10 x - 1/20 x y,
- 2940
-
- 2 2 191
- COEFF(-2, 0) = 1/10 x - 2/49 y + ---- - 1/10 x,
- 2940
-
- 166 2 2
- COEFF(-1, 0) = 1/5 x + --- + 1/49 y - 2/5 x ,
- 735
-
- 2 57 2
- COEFF(0, 0) = 3/5 x - -- + 2/49 y ,
- 98
-
- 166 2 2
- COEFF(1, 0) = - 1/5 x + --- + 1/49 y - 2/5 x ,
- 735
-
- 2 2 191
- COEFF(2, 0) = 1/10 x - 2/49 y + 1/10 x + ----,
- 2940
-
- 2 2 71
- COEFF(-2, 1) = - 1/10 x - 1/49 y + 1/10 x + 1/35 y - 1/20 x y + ----,
- 2940
-
- 181 2 2
- COEFF(-1, 1) = --- - 1/70 y + 1/98 y + 1/10 x y - 2/5 x + 1/5 x,
- 735
-
- 53 2 2
- COEFF(0, 1) = - 1/35 y - -- + 3/5 x + 1/49 y ,
- 98
-
- 2 2 181
- COEFF(1, 1) = - 1/5 x + 1/98 y - 1/10 x y - 2/5 x + --- - 1/70 y,
- 735
-
- 2 71 2
- COEFF(2, 1) = 1/35 y - 1/49 y + ---- + 1/10 x + 1/20 x y + 1/10 x ,
- 2940
-
- 2 289 2
- COEFF(-2, 2) = 1/10 x - ---- + 2/35 y - 1/10 x + 2/49 y - 1/10 x y,
- 2940
-
- 2 2 226
- COEFF(-1, 2) = - 2/5 x - 1/49 y + 1/5 x - 1/35 y + --- + 1/5 x y,
- 735
-
- 2 2 41
- COEFF(0, 2) = - 2/49 y - 2/35 y + 3/5 x - --,
- 98
-
- 2 226 2
- COEFF(1, 2) = - 1/5 x y - 1/5 x - 2/5 x - 1/35 y + --- - 1/49 y ,
- 735
-
- 2 2 289
- COEFF(2, 2) = 2/49 y + 2/35 y + 1/10 x + 1/10 x - ---- + 1/10 x y]
- 2940
-
-> print_coeffs__lc_of_data(%, "coeffs_dxx->coeff_", "fp",
-> "2d.coeffs/2d.cube.order4.smooth0/coeffs-dxx.compute.c");
-bytes used=98091548, alloc=2555436, time=8.70
-bytes used=99091708, alloc=2555436, time=8.83
-bytes used=100092244, alloc=2555436, time=8.91
-bytes used=101092436, alloc=2555436, time=9.07
-bytes used=102092596, alloc=2555436, time=9.25
-bytes used=103092832, alloc=2555436, time=9.38
->
-# d^2/dxdy
-> simplify( diff(interp_2d_cube_order4_smooth0,x,y) );
-bytes used=104093572, alloc=2555436, time=9.47
- 37 37 37
-1/35 x DATA(0, -1) + --- DATA(1, 1) + --- DATA(-1, -1) - --- DATA(1, -1)
- 300 300 300
-
- 37 21 2
- - --- DATA(-1, 1) - --- DATA(2, -1) - 1/10 x DATA(1, 2)
- 300 200
-
- 2 2 2
- + 1/20 x DATA(2, 2) - 1/20 x DATA(-2, 2) - 1/40 x DATA(-2, 1)
-
- 21 21
- - 2/49 x y DATA(2, 1) - --- DATA(-1, 2) + --- DATA(2, 1)
- 200 200
-
- 21 11
- + --- DATA(-1, -2) - --- DATA(-2, -2) + 1/49 x y DATA(-1, 1)
- 200 150
-
- 2 2
- - 2/49 x y DATA(2, -1) - 1/20 y DATA(1, 1) - 1/20 y DATA(-1, -1)
-
- 2 2 2
- + 1/20 y DATA(1, -1) + 1/20 y DATA(-1, 1) + 1/10 y DATA(2, -1)
-
- 2 2 2
- - 1/40 y DATA(-1, 2) - 1/10 y DATA(2, 1) - 1/10 y DATA(-2, -1)
-
- 2
- - 1/70 y DATA(1, 1) + 1/70 y DATA(-1, -1) + 1/40 y DATA(-1, -2)
-
- 2 2 2
- + 1/40 y DATA(1, 2) + 1/20 y DATA(2, 2) - 1/20 y DATA(-2, 2)
-
- 2 2
- + 1/10 y DATA(-2, 1) + 1/20 y DATA(-2, -2) + 1/35 y DATA(1, 2)
-
- + 2/35 y DATA(2, 2) - 2/35 y DATA(-2, 2) + 1/35 y DATA(-2, 1)
-
- + 1/35 y DATA(1, -2) + 2/35 y DATA(2, -2) + 1/35 y DATA(-2, -1)
-
- 2 2
- + 1/70 y DATA(-1, 1) - 1/40 y DATA(1, -2) - 1/20 y DATA(2, -2)
-
- 21
- + 1/49 x y DATA(1, -1) - 2/49 x y DATA(-1, 2) + --- DATA(1, 2)
- 200
-
- - 2/49 x y DATA(-2, 1) + 4/49 x y DATA(2, -2) - 2/49 x y DATA(-2, -1)
-
- - 2/49 x y DATA(1, -2) - 2/49 x y DATA(-1, -2) + 4/49 x y DATA(-2, -2)
-
- - 2/49 x y DATA(1, 2) + 4/49 x y DATA(2, 2) + 4/49 x y DATA(-2, 2)
-
- 11
- - --- DATA(2, 2) - 1/70 y DATA(1, -1) - 1/35 y DATA(2, -1)
- 150
-
- - 1/35 y DATA(-1, 2) - 1/35 y DATA(2, 1) - 1/35 y DATA(-1, -2)
-
- - 2/35 y DATA(-2, -2) - 1/70 x DATA(1, 1) + 1/35 x DATA(1, -2)
-
- - 1/35 x DATA(-2, -1) + 1/35 x DATA(-2, 1) + 1/35 x DATA(-1, -2)
-
- - 2/35 x DATA(-2, -2) - 1/35 x DATA(1, 2) + 2/35 x DATA(2, 2)
-
- 2 2
- - 2/35 x DATA(2, -2) - 1/20 x DATA(1, 1) - 1/20 x DATA(-1, -1)
-
- 2 2 2
- + 1/20 x DATA(1, -1) + 1/20 x DATA(-1, 1) - 1/40 x DATA(2, -1)
-
- 2 2
- + 1/10 x DATA(-1, 2) + 1/40 x DATA(2, 1) + 2/35 x DATA(-2, 2)
-
- + 1/70 x DATA(1, -1) - 1/70 x DATA(-1, 1) - 1/35 x DATA(2, -1)
-
- - 1/35 x DATA(-1, 2) + 1/35 x DATA(2, 1) + 1/70 x DATA(-1, -1)
-
- 2 2 2
- + 1/10 x DATA(1, -2) - 1/20 x DATA(2, -2) + 1/40 x DATA(-2, -1)
-
- 2
- + 1/49 x y DATA(-1, -1) + 1/49 x y DATA(1, 1) - 1/10 x DATA(-1, -2)
-
- 2 11 21
- + 1/20 x DATA(-2, -2) + --- DATA(-2, 2) - --- DATA(-2, 1)
- 150 200
-
- 21 11 21
- - --- DATA(1, -2) + --- DATA(2, -2) + --- DATA(-2, -1)
- 200 150 200
-
- + 2/49 x y DATA(-1, 0) - 2/35 y DATA(2, 0) - 1/35 y DATA(1, 0)
-
- + 1/35 y DATA(-1, 0) + 2/49 x y DATA(0, -1) + 2/35 y DATA(-2, 0)
-
- - 4/49 x y DATA(2, 0) - 1/35 x DATA(0, 1) - 2/35 x DATA(0, 2)
-
- + 2/35 x DATA(0, -2) - 4/49 x y DATA(0, -2) + 2/49 x y DATA(1, 0)
-
- + 2/49 x y DATA(0, 1) + 4/49 x y DATA(0, 0) - 4/49 x y DATA(-2, 0)
-
- - 4/49 x y DATA(0, 2)
-
-> coeffs_as_lc_of_data(%, posn_list_2d_size5);
-bytes used=105096984, alloc=2555436, time=9.52
- 2 11 2
-[COEFF(-2, -2) = 4/49 x y + 1/20 y - 2/35 y - 2/35 x - --- + 1/20 x ,
- 150
-
- 2 2 21
- COEFF(-1, -2) = 1/35 x - 1/10 x - 2/49 x y - 1/35 y + 1/40 y + ---,
- 200
-
- COEFF(0, -2) = - 4/49 x y + 2/35 x,
-
- 21 2 2
- COEFF(1, -2) = - 2/49 x y + 1/35 x - --- + 1/10 x + 1/35 y - 1/40 y ,
- 200
-
- 2 11 2
- COEFF(2, -2) = - 1/20 y + --- + 2/35 y - 2/35 x + 4/49 x y - 1/20 x ,
- 150
-
- 2 21 2
- COEFF(-2, -1) = 1/40 x + --- - 1/35 x - 1/10 y + 1/35 y - 2/49 x y,
- 200
-
- 2 37 2
- COEFF(-1, -1) = - 1/20 y + 1/49 x y + --- + 1/70 y + 1/70 x - 1/20 x ,
- 300
-
- COEFF(0, -1) = 2/49 x y + 1/35 x,
-
- 2 2 37
- COEFF(1, -1) = - 1/70 y + 1/20 x + 1/20 y + 1/49 x y + 1/70 x - ---,
- 300
-
- 2 21 2
- COEFF(2, -1) = - 1/35 x - 1/35 y + 1/10 y - 2/49 x y - --- - 1/40 x ,
- 200
-
- COEFF(-2, 0) = 2/35 y - 4/49 x y, COEFF(-1, 0) = 2/49 x y + 1/35 y,
-
- COEFF(0, 0) = 4/49 x y, COEFF(1, 0) = - 1/35 y + 2/49 x y,
-
- COEFF(2, 0) = - 2/35 y - 4/49 x y,
-
- 2 21 2
- COEFF(-2, 1) = - 1/40 x + 1/35 x - --- + 1/10 y + 1/35 y - 2/49 x y,
- 200
-
- 37 2 2
- COEFF(-1, 1) = - --- - 1/70 x + 1/20 x + 1/70 y + 1/20 y + 1/49 x y,
- 300
-
- COEFF(0, 1) = 2/49 x y - 1/35 x,
-
- 37 2 2
- COEFF(1, 1) = - 1/70 x + --- - 1/20 x + 1/49 x y - 1/20 y - 1/70 y,
- 300
-
- 2 21 2
- COEFF(2, 1) = - 1/35 y - 1/10 y + 1/35 x - 2/49 x y + --- + 1/40 x ,
- 200
-
- 2 2 11
- COEFF(-2, 2) = 2/35 x - 1/20 x - 1/20 y + 4/49 x y + --- - 2/35 y,
- 150
-
- 2 2 21
- COEFF(-1, 2) = - 1/35 x - 1/40 y + 1/10 x - --- - 1/35 y - 2/49 x y,
- 200
-
- COEFF(0, 2) = - 4/49 x y - 2/35 x,
-
- 2 2 21
- COEFF(1, 2) = 1/40 y - 2/49 x y - 1/10 x + 1/35 y - 1/35 x + ---,
- 200
-
- 2 2 11
- COEFF(2, 2) = 1/20 y + 1/20 x - --- + 2/35 x + 2/35 y + 4/49 x y]
- 150
-
-> print_coeffs__lc_of_data(%, "coeffs_dxy->coeff_", "fp",
-> "2d.coeffs/2d.cube.order4.smooth0/coeffs-dxy.compute.c");
-bytes used=106097284, alloc=2555436, time=9.59
-bytes used=107097536, alloc=2555436, time=9.71
-bytes used=108099596, alloc=2555436, time=9.81
-bytes used=109099792, alloc=2555436, time=9.98
-bytes used=110100132, alloc=2555436, time=10.14
-bytes used=111100580, alloc=2555436, time=10.31
-bytes used=112100732, alloc=2555436, time=10.47
->
-# d^2/dy^2
-> simplify( diff(interp_2d_cube_order4_smooth0,y,y) );
-bytes used=113100928, alloc=2555436, time=10.54
- 41 57 53 166
-- -- DATA(2, 0) - -- DATA(0, 0) - -- DATA(1, 0) + --- DATA(0, 1)
- 98 98 98 735
-
- 181
- + --- DATA(1, 1) + 1/5 y DATA(0, -1) + 2/35 x DATA(-2, 0)
- 735
-
- 166
- - 2/35 x DATA(2, 0) - 1/5 y DATA(0, 1) + --- DATA(0, -1)
- 735
-
- 181 181 53 181
- + --- DATA(-1, -1) + --- DATA(1, -1) - -- DATA(-1, 0) + --- DATA(-1, 1)
- 735 735 98 735
-
- 226 2 2
- + --- DATA(2, -1) - 1/49 x DATA(1, 2) + 2/49 x DATA(2, 2)
- 735
-
- 2 2
- + 2/49 x DATA(-2, 2) - 1/49 x DATA(-2, 1) - 1/5 x y DATA(2, 1)
-
- 191 71 226 71
- + ---- DATA(0, 2) + ---- DATA(-1, 2) + --- DATA(2, 1) + ---- DATA(-1, -2)
- 2940 2940 735 2940
-
- 191 289
- + ---- DATA(0, -2) - ---- DATA(-2, -2) + 1/10 x y DATA(-1, 1)
- 2940 2940
-
- 2 2
- + 1/5 x y DATA(2, -1) - 2/5 y DATA(1, 1) - 2/5 y DATA(-1, -1)
-
- 2 2 2
- - 2/5 y DATA(1, -1) - 2/5 y DATA(-1, 1) - 2/5 y DATA(2, -1)
-
- 2 2 2
- + 1/10 y DATA(-1, 2) - 2/5 y DATA(2, 1) - 2/5 y DATA(-2, -1)
-
- 2
- - 1/5 y DATA(1, 1) + 1/5 y DATA(-1, -1) + 1/10 y DATA(-1, -2)
-
- 2 2 2
- + 1/10 y DATA(1, 2) + 1/10 y DATA(2, 2) + 1/10 y DATA(-2, 2)
-
- 2 2
- - 2/5 y DATA(-2, 1) + 1/10 y DATA(-2, -2) + 1/10 y DATA(1, 2)
-
- + 1/10 y DATA(2, 2) + 1/10 y DATA(-2, 2) - 1/5 y DATA(-2, 1)
-
- - 1/10 y DATA(1, -2) - 1/10 y DATA(2, -2) + 1/5 y DATA(-2, -1)
-
- 2 2
- - 1/5 y DATA(-1, 1) + 1/10 y DATA(1, -2) + 1/10 y DATA(2, -2)
-
- 71
- + 1/10 x y DATA(1, -1) - 1/20 x y DATA(-1, 2) + ---- DATA(1, 2)
- 2940
-
- + 1/5 x y DATA(-2, 1) - 1/10 x y DATA(2, -2) - 1/5 x y DATA(-2, -1)
-
- - 1/20 x y DATA(1, -2) + 1/20 x y DATA(-1, -2) + 1/10 x y DATA(-2, -2)
-
- + 1/20 x y DATA(1, 2) + 1/10 x y DATA(2, 2) - 1/10 x y DATA(-2, 2)
-
- 289
- - ---- DATA(2, 2) + 1/5 y DATA(1, -1) + 1/5 y DATA(2, -1)
- 2940
-
- + 1/10 y DATA(-1, 2) - 1/5 y DATA(2, 1) - 1/10 y DATA(-1, -2)
-
- - 1/10 y DATA(-2, -2) - 1/70 x DATA(1, 1) + 1/35 x DATA(1, -2)
-
- + 1/35 x DATA(-2, -1) + 1/35 x DATA(-2, 1) - 1/35 x DATA(-1, -2)
-
- - 2/35 x DATA(-2, -2) + 1/35 x DATA(1, 2) + 2/35 x DATA(2, 2)
-
- 2 2
- + 2/35 x DATA(2, -2) + 1/98 x DATA(1, 1) + 1/98 x DATA(-1, -1)
-
- 2 2 2
- + 1/98 x DATA(1, -1) + 1/98 x DATA(-1, 1) - 1/49 x DATA(2, -1)
-
- 2 2
- - 1/49 x DATA(-1, 2) - 1/49 x DATA(2, 1) - 2/35 x DATA(-2, 2)
-
- - 1/70 x DATA(1, -1) + 1/70 x DATA(-1, 1) - 1/35 x DATA(2, -1)
-
- - 1/35 x DATA(-1, 2) - 1/35 x DATA(2, 1) + 1/70 x DATA(-1, -1)
-
- 2 2 2
- - 1/49 x DATA(1, -2) + 2/49 x DATA(2, -2) - 1/49 x DATA(-2, -1)
-
- 2
- - 1/10 x y DATA(-1, -1) - 1/10 x y DATA(1, 1) - 1/49 x DATA(-1, -2)
-
- 2 289 226
- + 2/49 x DATA(-2, -2) - ---- DATA(-2, 2) + --- DATA(-2, 1)
- 2940 735
-
- 41 71
- - -- DATA(-2, 0) - 1/10 y DATA(0, -2) + ---- DATA(1, -2)
- 98 2940
-
- 289 226
- - ---- DATA(2, -2) + --- DATA(-2, -1) + 1/10 y DATA(0, 2)
- 2940 735
-
- 2 2 2
- + 3/5 y DATA(0, 0) - 2/5 y DATA(0, -1) + 3/5 y DATA(-1, 0)
-
- 2 2 2
- + 3/5 y DATA(1, 0) + 1/10 y DATA(0, 2) + 1/10 y DATA(0, -2)
-
- 2 2 2
- - 2/5 y DATA(0, 1) + 1/49 x DATA(1, 0) - 2/49 x DATA(0, 2)
-
- 2 2 2
- - 2/49 x DATA(0, -2) + 1/49 x DATA(0, 1) + 3/5 y DATA(-2, 0)
-
- 2 2 2
- + 3/5 y DATA(2, 0) - 2/49 x DATA(-2, 0) + 2/49 x DATA(0, 0)
-
- 2 2
- + 1/49 x DATA(0, -1) + 1/49 x DATA(-1, 0) + 1/35 x DATA(-1, 0)
-
- 2
- - 1/35 x DATA(1, 0) - 2/49 x DATA(2, 0)
-
-> coeffs_as_lc_of_data(%, posn_list_2d_size5);
-bytes used=114101228, alloc=2555436, time=10.61
- 2 289 2
-[COEFF(-2, -2) = - 2/35 x + 1/10 y - ---- - 1/10 y + 1/10 x y + 2/49 x ,
- 2940
-
- 2 71 2
- COEFF(-1, -2) = 1/10 y + ---- - 1/35 x + 1/20 x y - 1/49 x - 1/10 y,
- 2940
-
- 2 191 2
- COEFF(0, -2) = 1/10 y + ---- - 2/49 x - 1/10 y,
- 2940
-
- 2 71 2
- COEFF(1, -2) = - 1/49 x + ---- + 1/10 y - 1/10 y + 1/35 x - 1/20 x y,
- 2940
-
- 289 2 2
- COEFF(2, -2) = - 1/10 y - 1/10 x y + 2/35 x - ---- + 2/49 x + 1/10 y ,
- 2940
-
- 226 2 2
- COEFF(-2, -1) = - 1/5 x y + --- + 1/5 y + 1/35 x - 1/49 x - 2/5 y ,
- 735
-
- 181 2 2
- COEFF(-1, -1) = --- - 1/10 x y + 1/98 x + 1/5 y - 2/5 y + 1/70 x,
- 735
-
- 2 2 166
- COEFF(0, -1) = 1/5 y - 2/5 y + 1/49 x + ---,
- 735
-
- 181 2 2
- COEFF(1, -1) = - 1/70 x + 1/10 x y + --- + 1/5 y + 1/98 x - 2/5 y ,
- 735
-
- 2 226 2
- COEFF(2, -1) = - 1/35 x - 2/5 y + 1/5 x y + --- - 1/49 x + 1/5 y,
- 735
-
- 41 2 2
- COEFF(-2, 0) = - -- + 2/35 x - 2/49 x + 3/5 y ,
- 98
-
- 53 2 2
- COEFF(-1, 0) = - -- + 3/5 y + 1/35 x + 1/49 x ,
- 98
-
- 2 2 57
- COEFF(0, 0) = 2/49 x + 3/5 y - --,
- 98
-
- 2 2 53
- COEFF(1, 0) = 3/5 y + 1/49 x - -- - 1/35 x,
- 98
-
- 41 2 2
- COEFF(2, 0) = - -- + 3/5 y - 2/35 x - 2/49 x ,
- 98
-
- 2 2 226
- COEFF(-2, 1) = 1/35 x - 1/5 y + 1/5 x y - 1/49 x - 2/5 y + ---,
- 735
-
- 2 2 181
- COEFF(-1, 1) = 1/10 x y + 1/70 x - 2/5 y - 1/5 y + 1/98 x + ---,
- 735
-
- 2 166 2
- COEFF(0, 1) = - 1/5 y - 2/5 y + --- + 1/49 x ,
- 735
-
- 181 2 2
- COEFF(1, 1) = - 1/5 y + --- - 1/70 x + 1/98 x - 2/5 y - 1/10 x y,
- 735
-
- 2 2 226
- COEFF(2, 1) = - 2/5 y - 1/49 x + --- - 1/5 x y - 1/5 y - 1/35 x,
- 735
-
- 2 2 289
- COEFF(-2, 2) = 2/49 x + 1/10 y - 1/10 x y + 1/10 y - 2/35 x - ----,
- 2940
-
- 2 71 2
- COEFF(-1, 2) = 1/10 y + ---- - 1/20 x y + 1/10 y - 1/35 x - 1/49 x ,
- 2940
-
- 2 2 191
- COEFF(0, 2) = 1/10 y - 2/49 x + 1/10 y + ----,
- 2940
-
- 71 2 2
- COEFF(1, 2) = 1/35 x + 1/10 y + ---- + 1/20 x y + 1/10 y - 1/49 x ,
- 2940
-
- 2 2 289
- COEFF(2, 2) = 2/49 x + 1/10 y + 1/10 y + 1/10 x y - ---- + 2/35 x]
- 2940
-
-> print_coeffs__lc_of_data(%, "coeffs_dyy->coeff_", "fp",
-> "2d.coeffs/2d.cube.order4.smooth0/coeffs-dyy.compute.c");
-bytes used=115101596, alloc=2555436, time=10.70
-bytes used=116101756, alloc=2555436, time=10.85
-bytes used=117101948, alloc=2555436, time=10.94
-bytes used=118102268, alloc=2555436, time=11.10
-bytes used=119102436, alloc=2555436, time=11.27
-bytes used=120102772, alloc=2555436, time=11.41
->
-################################################################################
-> quit
-bytes used=120843640, alloc=2555436, time=11.51