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bundles / scipy 1.18.0 / scipy / optimize / _trustregion_exact / IterativeSubproblem

class

scipy.optimize._trustregion_exact:IterativeSubproblem

source: /scipy/optimize/_trustregion_exact.py:190

Signature

class IterativeSubproblem(x, fun, jac, hess, hessp = None, k_easy = 0.1, k_hard = 0.2, maxiter = None)

Members

Summary

Quadratic subproblem solved by nearly exact iterative method.

Notes

This subproblem solver was based on [1], [2] and [3], which implement similar algorithms. The algorithm is basically that of [1] but ideas from [2] and [3] were also used.

Aliases

  • scipy.optimize._trustregion_exact.IterativeSubproblem