# 1d.maple -- compute Lagrange interpolation coefficients in 1-D # $Header$ ################################################################################ # # 1d, cube, order=1, smoothing=0 (size=2) # # interpolating polynomial interp_1d_cube_order1_smooth0 := Lagrange_polynomial_interpolant(fn_1d_order1, coeffs_list_1d_order1, coords_list_1d, posn_list_1d_size2); # I coeffs_as_lc_of_data(%, posn_list_1d_size2); print_coeffs__lc_of_data(%, "coeffs_I->coeff_", "fp", "1d.coeffs/1d.cube.order1.smooth0/coeffs-I.compute.c"); # d/dx simplify( diff(interp_1d_cube_order1_smooth0,x) ); coeffs_as_lc_of_data(%, posn_list_1d_size2); print_coeffs__lc_of_data(%, "coeffs_dx->coeff_", "fp", "1d.coeffs/1d.cube.order1.smooth0/coeffs-dx.compute.c"); ################################################################################ # # 1d, cube, order=2, smoothing=0 (size=3) # # interpolating polynomial interp_1d_cube_order2_smooth0 := Lagrange_polynomial_interpolant(fn_1d_order2, coeffs_list_1d_order2, coords_list_1d, posn_list_1d_size3); # I coeffs_as_lc_of_data(%, posn_list_1d_size3); print_coeffs__lc_of_data(%, "coeffs_I->coeff_", "fp", "1d.coeffs/1d.cube.order2.smooth0/coeffs-I.compute.c"); # d/dx simplify( diff(interp_1d_cube_order2_smooth0,x) ); coeffs_as_lc_of_data(%, posn_list_1d_size3); print_coeffs__lc_of_data(%, "coeffs_dx->coeff_", "fp", "1d.coeffs/1d.cube.order2.smooth0/coeffs-dx.compute.c"); # d^2/dx^2 simplify( diff(interp_1d_cube_order2_smooth0,x,x) ); coeffs_as_lc_of_data(%, posn_list_1d_size3); print_coeffs__lc_of_data(%, "coeffs_dxx->coeff_", "fp", "1d.coeffs/1d.cube.order2.smooth0/coeffs-dxx.compute.c"); ################################################################################ # # 1d, cube, order=3, smoothing=0 (size=4) # # interpolating polynomial interp_1d_cube_order3_smooth0 := Lagrange_polynomial_interpolant(fn_1d_order3, coeffs_list_1d_order3, coords_list_1d, posn_list_1d_size4); # I coeffs_as_lc_of_data(%, posn_list_1d_size4); print_coeffs__lc_of_data(%, "coeffs_I->coeff_", "fp", "1d.coeffs/1d.cube.order3.smooth0/coeffs-I.compute.c"); # d/dx simplify( diff(interp_1d_cube_order3_smooth0,x) ); coeffs_as_lc_of_data(%, posn_list_1d_size4); print_coeffs__lc_of_data(%, "coeffs_dx->coeff_", "fp", "1d.coeffs/1d.cube.order3.smooth0/coeffs-dx.compute.c"); # d^2/dx^2 simplify( diff(interp_1d_cube_order3_smooth0,x,x) ); coeffs_as_lc_of_data(%, posn_list_1d_size4); print_coeffs__lc_of_data(%, "coeffs_dxx->coeff_", "fp", "1d.coeffs/1d.cube.order3.smooth0/coeffs-dxx.compute.c"); ################################################################################ # # 1d, cube, order=4, smoothing=0 (size=5) # # interpolating polynomial interp_1d_cube_order4_smooth0 := Lagrange_polynomial_interpolant(fn_1d_order4, coeffs_list_1d_order4, coords_list_1d, posn_list_1d_size5); # I coeffs_as_lc_of_data(%, posn_list_1d_size5); print_coeffs__lc_of_data(%, "coeffs_I->coeff_", "fp", "1d.coeffs/1d.cube.order4.smooth0/coeffs-I.compute.c"); # d/dx simplify( diff(interp_1d_cube_order4_smooth0,x) ); coeffs_as_lc_of_data(%, posn_list_1d_size5); print_coeffs__lc_of_data(%, "coeffs_dx->coeff_", "fp", "1d.coeffs/1d.cube.order4.smooth0/coeffs-dx.compute.c"); # d^2/dx^2 simplify( diff(interp_1d_cube_order4_smooth0,x,x) ); coeffs_as_lc_of_data(%, posn_list_1d_size5); print_coeffs__lc_of_data(%, "coeffs_dxx->coeff_", "fp", "1d.coeffs/1d.cube.order4.smooth0/coeffs-dxx.compute.c"); ################################################################################ # # 1d, cube, order=5, smoothing=0 (size=6) # # interpolating polynomial interp_1d_cube_order5_smooth0 := Lagrange_polynomial_interpolant(fn_1d_order5, coeffs_list_1d_order5, coords_list_1d, posn_list_1d_size6); # I coeffs_as_lc_of_data(%, posn_list_1d_size6); print_coeffs__lc_of_data(%, "coeffs_I->coeff_", "fp", "1d.coeffs/1d.cube.order5.smooth0/coeffs-I.compute.c"); # d/dx simplify( diff(interp_1d_cube_order5_smooth0,x) ); coeffs_as_lc_of_data(%, posn_list_1d_size6); print_coeffs__lc_of_data(%, "coeffs_dx->coeff_", "fp", "1d.coeffs/1d.cube.order5.smooth0/coeffs-dx.compute.c"); # d^2/dx^2 simplify( diff(interp_1d_cube_order5_smooth0,x,x) ); coeffs_as_lc_of_data(%, posn_list_1d_size6); print_coeffs__lc_of_data(%, "coeffs_dxx->coeff_", "fp", "1d.coeffs/1d.cube.order5.smooth0/coeffs-dxx.compute.c"); ################################################################################ # # 1d, cube, order=6, smoothing=0 (size=7) # # interpolating polynomial interp_1d_cube_order6_smooth0 := Lagrange_polynomial_interpolant(fn_1d_order6, coeffs_list_1d_order6, coords_list_1d, posn_list_1d_size7); # I coeffs_as_lc_of_data(%, posn_list_1d_size7); print_coeffs__lc_of_data(%, "coeffs_I->coeff_", "fp", "1d.coeffs/1d.cube.order6.smooth0/coeffs-I.compute.c"); # d/dx simplify( diff(interp_1d_cube_order6_smooth0,x) ); coeffs_as_lc_of_data(%, posn_list_1d_size7); print_coeffs__lc_of_data(%, "coeffs_dx->coeff_", "fp", "1d.coeffs/1d.cube.order6.smooth0/coeffs-dx.compute.c"); # d^2/dx^2 simplify( diff(interp_1d_cube_order6_smooth0,x,x) ); coeffs_as_lc_of_data(%, posn_list_1d_size7); print_coeffs__lc_of_data(%, "coeffs_dxx->coeff_", "fp", "1d.coeffs/1d.cube.order6.smooth0/coeffs-dxx.compute.c"); ################################################################################