bundles / scipy 1.17.1 / scipy / optimize / _zeros_py / _inverse_poly_zero
function
scipy.optimize._zeros_py:_inverse_poly_zero
Signature
def _inverse_poly_zero(a, b, c, d, fa, fb, fc, fd)Summary
Inverse cubic interpolation f-values -> x-values
Extended Summary
Given four points (fa, a), (fb, b), (fc, c), (fd, d) with fa, fb, fc, fd all distinct, find poly IP(y) through the 4 points and compute x=IP(0).
Aliases
scipy.optimize._zeros_py._inverse_poly_zero