Expand description
Nelder-Mead simplex: gradient-free local search by reflecting,
expanding and contracting a simplex of n + 1 points. The tool for
noisy or non-smooth objectives where gradients mislead.
Functions§
- nelder_
mead - Minimize
ffromx0with the standard Nelder-Mead coefficients (reflection 1, expansion 2, contraction 1/2, shrink 1/2). Converged when the simplex’s value spread falls belowtol(relative to the best value).