org.opt4j.optimizer.ea

Interface FrontDensityIndicator

All Known Implementing Classes:

Crowding, Hypervolume

public interface FrontDensityIndicator

The FrontDensityIndicator is an interface for the determination of density values of a front of Individuals. It is required that the front consists of non-dominated Individuals only. This density indicator is used for instance in the Nsga2.

Author:

lukasiewycz

See Also:

Nsga2, Crowding, Hypervolume

Method Summary

Modifier and Type	Method and Description
Map<Individual,Double>	getDensityValues(Collection<Individual> individuals) Returns the density values for a collection on Individuals.

Method Detail

getDensityValues

Map<Individual,Double> getDensityValues(Collection<Individual> individuals)

Returns the density values for a collection on Individuals.

Parameters:

individuals - the individuals

Returns:

a map of each individual to its density value