This is a pre-release version (2.0.0.dev0+git20260907.41eeb59).Go to latest (1.18.0)
{ } Raw JSON

bundles / scipy 2.0.0.dev0+git20260907.41eeb59 / scipy / optimize / _zeros_py / _inverse_poly_zero

function

scipy.optimize._zeros_py:_inverse_poly_zero

source: build-install/usr/lib/python3.14/site-packages/scipy/optimize/_zeros_py.py:1089

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