1 2 3 4 5 6
COEFF(-2) = coeff_I_m2; COEFF(-1) = coeff_I_m1; COEFF(0) = coeff_I_0; COEFF(1) = coeff_I_p1; COEFF(2) = coeff_I_p2; COEFF(3) = coeff_I_p3;