Package org.moeaframework.algorithm.sa

Class GeometricCoolingSchedule

java.lang.Object

org.moeaframework.algorithm.sa.GeometricCoolingSchedule

All Implemented Interfaces:

CoolingSchedule, Configurable

public class GeometricCoolingSchedule
extends Object
implements CoolingSchedule

Geometric reduction rule for simulated annealing. The next temperature is calculated as

   t = t * a
 

Constructor Summary

Constructors

Constructor	Description
GeometricCoolingSchedule()	Constructs a new geometric cooling schedule.
GeometricCoolingSchedule(double alpha)	Constructs a new geometric cooling schedule.

Method Summary

Modifier and Type	Method	Description
double	getAlpha()	Returns the cooling rate.
double	nextTemperature(double currentTemperature)	Returns the next temperature based on the current temperature.
void	setAlpha(double alpha)	Sets the cooling rate.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.moeaframework.core.configuration.Configurable

applyConfiguration, getConfiguration

Constructor Details

GeometricCoolingSchedule

public GeometricCoolingSchedule()

Constructs a new geometric cooling schedule.

GeometricCoolingSchedule

public GeometricCoolingSchedule(double alpha)

Constructs a new geometric cooling schedule.

Parameters:

alpha - the cooling rate

Method Details

getAlpha

public double getAlpha()

Returns the cooling rate.

Returns:

the cooling rate

setAlpha

public void setAlpha(double alpha)

Sets the cooling rate.

Parameters:

alpha - the cooling rate

nextTemperature

public double nextTemperature(double currentTemperature)

Description copied from interface: CoolingSchedule

Returns the next temperature based on the current temperature.

Specified by:

nextTemperature in interface CoolingSchedule

Parameters:

currentTemperature - the current temperature

Returns:

the next temperature