bundles / scipy 2.0.0.dev0+git20260907.41eeb59 / scipy / optimize / _lsq / common / update_tr_radius

function

`scipy.optimize._lsq.common:update_tr_radius`

source: build-install/usr/lib/python3.14/site-packages/scipy/optimize/_lsq/common.py:222

Signature

def update_tr_radius(Delta, actual_reduction, predicted_reduction, step_norm, bound_hit)

Summary

Update the radius of a trust region based on the cost reduction.

Returns

Delta : float: New radius.
ratio : float: Ratio between actual and predicted reductions.

Aliases

scipy.optimize._lsq.common.update_tr_radius