org.encog.ml.prg.opp
public class SubtreeMutation extends Object implements EvolutionaryOperator
Constructor and Description |
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SubtreeMutation(EncogProgramContext theContext,
int theMaxDepth)
Construct the subtree mutation object.
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Modifier and Type | Method and Description |
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PrgGenerator |
getGenerator() |
void |
init(EvolutionaryAlgorithm theOwner)
Called to setup the evolutionary operator.
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int |
offspringProduced() |
int |
parentsNeeded() |
void |
performOperation(Random rnd,
Genome[] parents,
int parentIndex,
Genome[] offspring,
int offspringIndex)
Perform the evolutionary operation.
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void |
setGenerator(PrgGenerator generator)
Set the random tree generator to use.
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public SubtreeMutation(EncogProgramContext theContext, int theMaxDepth)
theContext
- The program context.theMaxDepth
- The maximum depth.public PrgGenerator getGenerator()
public void init(EvolutionaryAlgorithm theOwner)
init
in interface EvolutionaryOperator
theOwner
- The evolutionary algorithm used with this operator.public int offspringProduced()
offspringProduced
in interface EvolutionaryOperator
public int parentsNeeded()
parentsNeeded
in interface EvolutionaryOperator
public void performOperation(Random rnd, Genome[] parents, int parentIndex, Genome[] offspring, int offspringIndex)
performOperation
in interface EvolutionaryOperator
rnd
- A random number generator.parents
- The parents.parentIndex
- The index into the parents array.offspring
- The offspring.offspringIndex
- An index into the offspring array.public void setGenerator(PrgGenerator generator)
generator
- The random tree generator.Copyright © 2014. All Rights Reserved.