MutateDoubleUniform

java.lang.Object

org.opt4j.operator.mutate.MutateDouble

org.opt4j.operator.mutate.MutateDoubleElementwise

org.opt4j.optimizer.mopso.MutateDoubleUniform

All Implemented Interfaces:: Operator<DoubleGenotype>, Mutate<DoubleGenotype>

Direct Known Subclasses:: MutateDoubleNonUniform

public class MutateDoubleUniform extends MutateDoubleElementwise

The MutateDoubleUniform uniformly mutates a DoubleGenotype elementwise.

Field Summary

Fields

Modifier and Type

Field

Description

protected final double

perturbation

Fields inherited from class org.opt4j.operator.mutate.MutateDouble
normalize, random
Constructor Summary

Constructors

Constructor

Description

MutateDoubleUniform(Rand random, NormalizeDouble normalize, double perturbation)

Constructs a MutateDoubleUniform.
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
- perturbation
  
  protected final double perturbation
Constructor Details
- MutateDoubleUniform
  
  @Inject public MutateDoubleUniform(Rand random, NormalizeDouble normalize, double perturbation)
  
  Constructs a MutateDoubleUniform.
  
  Parameters:
  
  random - the random number generator
  
  normalize - the normalize operator
  
  perturbation - the perturbation index
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