# qiskit.algorithms.optimizers.nlopts.esch のソースコード

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# (C) Copyright IBM 2018, 2020.
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""" ESCH evolutionary optimizer. """

from .nloptimizer import NLoptOptimizer, NLoptOptimizerType

[ドキュメント]class ESCH(NLoptOptimizer):
"""
ESCH evolutionary optimizer.

ESCH is an evolutionary algorithm for global optimization that supports bound constraints only.
Specifically, it does not support nonlinear constraints.

NLopt global optimizer, derivative-free.
For further detail, please refer to

http://nlopt.readthedocs.io/en/latest/NLopt_Algorithms/#esch-evolutionary-algorithm
"""

[ドキュメント]    def get_nlopt_optimizer(self) -> NLoptOptimizerType:
""" Return NLopt optimizer type """
return NLoptOptimizerType.GN_ESCH