eaLib API Docs
Last Modified : January 7 2002

mss.ea.mut
Class FloatStepMutation

java.lang.Object
  |
  +--mss.ea.core.GeneticOperator
        |
        +--mss.ea.mut.Mutation
              |
              +--mss.ea.mut.ChromosomeMutation
                    |
                    +--mss.ea.mut.FloatMutation
                          |
                          +--mss.ea.mut.FloatStepMutation

public class FloatStepMutation
extends FloatMutation

Mutation of a float number with a maximal stepsize. This operator will add a random float number within the range from 0.0 to a given float number. The given number can be either positive or negative.

Since:
0.1
Version:
0.1 (12-04-00)
Author:
Andreas Rummler

Field Summary
protected  float step
           
 
Fields inherited from class mss.ea.mut.FloatMutation
rand
 
Fields inherited from class mss.ea.mut.ChromosomeMutation
mutationPropability
 
Fields inherited from class mss.ea.core.GeneticOperator
description, ID, name
 
Constructor Summary
FloatStepMutation()
          Constructor.
FloatStepMutation(float propability)
          Constructor with mutation propability.
FloatStepMutation(float propability, float stepsize)
          Constructor with mutation propability and mutation step size.
 
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

step

protected float step
Constructor Detail

FloatStepMutation

public FloatStepMutation()
Constructor. The mutation propability is set to 0.05 and the mutation step size is set to 1.0.

FloatStepMutation

public FloatStepMutation(float propability)
Constructor with mutation propability. The mutation step size is set to 1.0.
Parameters:
propability - mutation propability

FloatStepMutation

public FloatStepMutation(float propability,
                         float stepsize)
Constructor with mutation propability and mutation step size.
Parameters:
propability - mutation propability
step - mutation step size
Method Detail

mutate

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

eaLib API Docs
Last Modified : January 7 2002

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