org.opt4j.operator.mutate

Class MutatePermutationSwap

java.lang.Object

org.opt4j.operator.mutate.MutatePermutationSwap

All Implemented Interfaces:

Operator<PermutationGenotype<?>>, Mutate<PermutationGenotype<?>>, MutatePermutation

public class MutatePermutationSwap
extends Object
implements MutatePermutation

Mutate operator for the PermutationGenotype. With a given mutation rate two elements are selected and swapped.

Given a permutation 1 2 3 4 5 6 7 8, this might result in 1 2 7 4 5 6 3 8.

Author:

lukasiewycz

Constructor Summary

Constructors

Constructor and Description
MutatePermutationSwap(Rand random) Constructs a new MutatePermutation with the given mutation rate.

Method Summary

Modifier and Type	Method and Description
void	mutate(PermutationGenotype<?> genotype, double p) Performs a mutation for a Genotype.

Methods inherited from class java.lang.Object

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

Constructor Detail

MutatePermutationSwap

@Inject
public MutatePermutationSwap(Rand random)

Constructs a new MutatePermutation with the given mutation rate.

Parameters:

random - the random number generator

Method Detail

mutate

public void mutate(PermutationGenotype<?> genotype,
                   double p)

Description copied from interface: Mutate

Performs a mutation for a Genotype.

Specified by:

mutate in interface Mutate<PermutationGenotype<?>>

Parameters:

genotype - the genotype to be mutated

p - the mutation rate