Package org.opt4j.operator.mutate

Class MutateDoublePolynomial

java.lang.Object

org.opt4j.operator.mutate.MutateDouble

org.opt4j.operator.mutate.MutateDoubleElementwise

org.opt4j.operator.mutate.MutateDoublePolynomial

All Implemented Interfaces:

Operator<DoubleGenotype>, Mutate<DoubleGenotype>

Direct Known Subclasses:

MutateDoubleDefault

public class MutateDoublePolynomial
extends MutateDoubleElementwise

The MutateDoublePolynomial.

Field Summary

Fields

Modifier and Type	Field	Description
protected final double	eta

Fields inherited from class org.opt4j.operator.mutate.MutateDouble

normalize, random

Constructor Summary

Constructors

Constructor	Description
MutateDoublePolynomial(Rand random, NormalizeDouble normalize, double eta)	Constructs a MutateDoubleGauss with a Rand random number generator, a NormalizeDouble, and an eta value.

Method Summary

Modifier and Type	Method	Description
protected double	mutateElement(double x, double lb, double ub, double p)	Mutate one element of the list.

Methods inherited from class org.opt4j.operator.mutate.MutateDoubleElementwise

mutateList

Methods inherited from class org.opt4j.operator.mutate.MutateDouble

mutate

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

eta

protected final double eta

Constructor Details

MutateDoublePolynomial

@Inject
public MutateDoublePolynomial(Rand random,
 NormalizeDouble normalize,
 double eta)

Constructs a MutateDoubleGauss with a Rand random number generator, a NormalizeDouble, and an eta value.

Parameters:

random - the random number generator

normalize - the normalizer

eta - the eta value

Method Details

mutateElement

protected double mutateElement(double x,
 double lb,
 double ub,
 double p)

Description copied from class: MutateDoubleElementwise

Mutate one element of the list.

Specified by:

mutateElement in class MutateDoubleElementwise

Parameters:

x - the element

lb - the lower bound

ub - the upper bound

p - the mutation rate

Returns:

the mutated element