bundles / scipy latest / scipy / optimize / _linesearch / _zoom
function
scipy.optimize._linesearch:_zoom
source: build-install/usr/lib/python3.14/site-packages/scipy/optimize/_linesearch.py:563
Signature
def _zoom(a_lo, a_hi, phi_lo, phi_hi, derphi_lo, phi, derphi, phi0, derphi0, c1, c2, extra_condition)Summary
Zoom stage of approximate linesearch satisfying strong Wolfe conditions.
Extended Summary
Part of the optimization algorithm in scalar_search_wolfe2.
Notes
Implements Algorithm 3.6 (zoom) in Wright and Nocedal, 'Numerical Optimization', 1999, pp. 61.
Aliases
scipy.optimize._linesearch._zoom