shamrock.external.coala.utils_polynomials.phi_pol

shamrock.external.coala.utils_polynomials.phi_pol(pol_coeffs, x)

Evaluate polynomial sum_{i=0}^{k} a_i x^i by Horner’s method

Parameters

pol_coeffs1D array (dim = k+1), type -> float

coefficients of polynomial of order k sort from low to high orders

xscalar, type -> float

value to evaluate the polynomial

Returns

resultscalar, type -> float

evaluation of polynomial of order k at x