eaLib API Docs
Last Modified : January 7 2002

mss.ea.mut
Class DoubleRelativeRangeMutation

java.lang.Object
  |
  +--mss.ea.core.GeneticOperator
        |
        +--mss.ea.mut.Mutation
              |
              +--mss.ea.mut.ChromosomeMutation
                    |
                    +--mss.ea.mut.DoubleMutation
                          |
                          +--mss.ea.mut.DoubleRelativeRangeMutation

public class DoubleRelativeRangeMutation
extends DoubleMutation

Mutation of a double number with a mutation range. This operator will add a random double number within the given range.

Since:
0.1
Version:
0.1 (12-11-00)
Author:
Andreas Rummler

Field Summary
protected  float range
           
 
Fields inherited from class mss.ea.mut.DoubleMutation
rand
 
Fields inherited from class mss.ea.mut.ChromosomeMutation
mutationPropability
 
Fields inherited from class mss.ea.core.GeneticOperator
description, ID, name
 
Constructor Summary
DoubleRelativeRangeMutation()
          Constructor.
DoubleRelativeRangeMutation(float propability)
          Constructor with mutation propability.
DoubleRelativeRangeMutation(float propability, float range)
          Constructor with mutation propability and mutation range.
 
Method Summary
 void mutate(Chromosome cr)
          Performs the mutation.
 
Methods inherited from class mss.ea.core.GeneticOperator
getDescription, getID, getName, toString
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Field Detail

range

protected float range
Constructor Detail

DoubleRelativeRangeMutation

public DoubleRelativeRangeMutation()
Constructor. The mutation propability is set to 0.05 and the mutation range is set to 10%.

DoubleRelativeRangeMutation

public DoubleRelativeRangeMutation(float propability)
Constructor with mutation propability. The mutation range is set to 10%.
Parameters:
propability - mutation propability

DoubleRelativeRangeMutation

public DoubleRelativeRangeMutation(float propability,
                                   float range)
Constructor with mutation propability and mutation range. If range <= 0% the range is silently set to 10%.
Parameters:
propability - mutation propability
range - mutation range
Method Detail

mutate

public void mutate(Chromosome cr)
            throws MutationException
Performs the mutation.
Overrides:
mutate in class ChromosomeMutation
Parameters:
cr - chromosome of type DoubleChromosome
Throws:
MutationException - thrown, if operator fails

eaLib API Docs
Last Modified : January 7 2002

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