gov.sns.tools.optimizer
Class SimplexSearchAlgorithm

java.lang.Object
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  +--gov.sns.tools.optimizer.SearchAlgorithm
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        +--gov.sns.tools.optimizer.SimplexSearchAlgorithm

public class SimplexSearchAlgorithm

extends SearchAlgorithm

Constructor Summary

SimplexSearchAlgorithm()
Creates a new instance of SimplexSearchAlgorithm

Method Summary

protected boolean	acceptProxyForFitting(ParameterProxy pr) returns true if the step of finding is more than 0.
protected double	getBestScore() returns the best score after step
double	getContraction()
double	getExpansion()
double	getReflection()
double	getShinkage()
int	getShrinkageMax()
int	getType() returns the type of the algorithm - SearchAlgorithmConstants.SIMPLEX_ALGORITHM.
protected boolean	makeStep() make one step in the search.
protected void	reset() reset for searching from scratch; forget history
void	setContraction(double gamma)
void	setExpansion(double chi)
void	setReflection(double rho)
void	setShinkage(double sigma)
void	setShrinkageMax(int nShrinkMax)

Methods inherited from class gov.sns.tools.optimizer.SearchAlgorithm

accept, getBestSolutionMap, getNumVariables, getScorer, getVariables, getWantToStop, setScorer, setVariables, setWantToStop

Methods inherited from class java.lang.Object

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

Constructor Detail

SimplexSearchAlgorithm

public SimplexSearchAlgorithm()

Creates a new instance of SimplexSearchAlgorithm

Method Detail

reset

protected void reset()

reset for searching from scratch; forget history

Specified by:

reset in class SearchAlgorithm

acceptProxyForFitting

protected boolean acceptProxyForFitting(ParameterProxy pr)

returns true if the step of finding is more than 0. It overrides superclass method.

Overrides:

acceptProxyForFitting in class SearchAlgorithm

makeStep

protected boolean makeStep()

make one step in the search. It returns ShouldStop boolean.

Specified by:

makeStep in class SearchAlgorithm

getBestScore

protected double getBestScore()

returns the best score after step

Specified by:

getBestScore in class SearchAlgorithm

getType

public int getType()

returns the type of the algorithm - SearchAlgorithmConstants.SIMPLEX_ALGORITHM.

Specified by:

getType in class SearchAlgorithm

setReflection

public void setReflection(double rho)

setExpansion

public void setExpansion(double chi)

setContraction

public void setContraction(double gamma)

setShinkage

public void setShinkage(double sigma)

getReflection

public double getReflection()

getExpansion

public double getExpansion()

getContraction

public double getContraction()

getShinkage

public double getShinkage()

setShrinkageMax

public void setShrinkageMax(int nShrinkMax)

getShrinkageMax

public int getShrinkageMax()