optuna.samplers.nsgaii

The nsgaii module defines crossover and mutation operations used by NSGAIISampler and NSGAIIISampler.

Crossover

BaseCrossover	Base class for crossovers.
UniformCrossover	Uniform Crossover operation used by NSGAIISampler.
BLXAlphaCrossover	Blend Crossover operation used by NSGAIISampler.
SPXCrossover	Simplex Crossover operation used by NSGAIISampler.
SBXCrossover	Simulated Binary Crossover operation used by NSGAIISampler.
VSBXCrossover	Modified Simulated Binary Crossover operation used by NSGAIISampler.
UNDXCrossover	Unimodal Normal Distribution Crossover used by NSGAIISampler.

Mutation

BaseMutation	Base class for mutations.
PolynomialMutation	Polynomial mutation operation used by NSGAIISampler.