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java.lang.Objectorg.apache.commons.math.genetics.ListPopulation
org.apache.commons.math.genetics.ElitisticListPopulation
public class ElitisticListPopulation
Population of chromosomes which uses elitism (certain percentace of the best chromosomes is directly copied to the next generation).
| Constructor Summary | |
|---|---|
ElitisticListPopulation(int populationLimit,
double elitismRate)
Creates a new ListPopulation instance and initializes its inner chromosome list. |
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ElitisticListPopulation(List<Chromosome> chromosomes,
int populationLimit,
double elitismRate)
Creates a new ElitisticListPopulation instance. |
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| Method Summary | |
|---|---|
double |
getElitismRate()
Access the elitism rate. |
Population |
nextGeneration()
Start the population for the next generation. |
void |
setElitismRate(double elitismRate)
Sets the elitism rate, i.e. |
| Methods inherited from class org.apache.commons.math.genetics.ListPopulation |
|---|
addChromosome, getChromosomes, getFittestChromosome, getPopulationLimit, getPopulationSize, iterator, setChromosomes, setPopulationLimit, toString |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
| Constructor Detail |
|---|
public ElitisticListPopulation(List<Chromosome> chromosomes,
int populationLimit,
double elitismRate)
chromosomes - list of chromosomes in the populationpopulationLimit - maximal size of the populationelitismRate - how many best chromosomes will be directly transferred to the
next generation [in %]
public ElitisticListPopulation(int populationLimit,
double elitismRate)
populationLimit - maximal size of the populationelitismRate - how many best chromosomes will be directly transferred to the
next generation [in %]| Method Detail |
|---|
public Population nextGeneration()
elitismRate percents of the best
chromosomes are directly copied to the next generation.
- Returns:
- the beginnings of the next generation.
public void setElitismRate(double elitismRate)
elitismRate - how many best chromosomes will be directly transferred to the
next generation [in %]public double getElitismRate()
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