cc.mallet.optimize
Class ConjugateGradient

java.lang.Object
  cc.mallet.optimize.ConjugateGradient

All Implemented Interfaces:

Optimizer

public class ConjugateGradient
extends java.lang.Object
implements Optimizer

Nested Class Summary

Nested classes/interfaces inherited from interface cc.mallet.optimize.Optimizer

Optimizer.ByBatches

Constructor Summary

ConjugateGradient(Optimizable.ByGradientValue function)

ConjugateGradient(Optimizable.ByGradientValue function, double initialStepSize)

Method Summary

double	getInitialStepSize()
Optimizable	getOptimizable()
double	getStepSize()
boolean	isConverged()
boolean	optimize()
boolean	optimize(int numIterations)
void	reset()
void	setEvaluator(OptimizerEvaluator.ByGradient eval)
void	setInitialStepSize(double initialStepSize)
void	setLineMaximizer(LineOptimizer.ByGradient lineMaximizer)
void	setTolerance(double t)

Methods inherited from class java.lang.Object

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

Constructor Detail

ConjugateGradient

public ConjugateGradient(Optimizable.ByGradientValue function,
                         double initialStepSize)

ConjugateGradient

public ConjugateGradient(Optimizable.ByGradientValue function)

Method Detail

getOptimizable

public Optimizable getOptimizable()

Specified by:

getOptimizable in interface Optimizer

isConverged

public boolean isConverged()

Specified by:

isConverged in interface Optimizer

setEvaluator

public void setEvaluator(OptimizerEvaluator.ByGradient eval)

setLineMaximizer

public void setLineMaximizer(LineOptimizer.ByGradient lineMaximizer)

setInitialStepSize

public void setInitialStepSize(double initialStepSize)

getInitialStepSize

public double getInitialStepSize()

getStepSize

public double getStepSize()

optimize

public boolean optimize()

Specified by:

optimize in interface Optimizer

setTolerance

public void setTolerance(double t)

optimize

public boolean optimize(int numIterations)

Specified by:

optimize in interface Optimizer

reset

public void reset()