edu.umass.cs.mallet.base.fst

Class CRFByGISUpdate.MinimizableCRF

java.lang.Object

edu.umass.cs.mallet.base.fst.CRFByGISUpdate.MinimizableCRF

All Implemented Interfaces:

Minimizable, Minimizable.ByGISUpdate, Serializable

Enclosing class:

CRFByGISUpdate

public class CRFByGISUpdate.MinimizableCRF
extends Object
implements Minimizable.ByGISUpdate, Serializable

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface edu.umass.cs.mallet.base.minimize.Minimizable

Minimizable.ByGISUpdate, Minimizable.ByGradient, Minimizable.ByHessian

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	MinimizableCRF(InstanceList ilist, CRFByGISUpdate crf)

Method Summary

Modifier and Type	Method and Description
double	getCost()
void	getGISUpdate(Matrix params, Matrix updates) Returns a GIS update for the current parameter setting specified by params
Matrix	getNewMatrix()
int	getNumParameters()
double	getParameter(int[] indices)
Matrix	getParameters(Matrix m)
void	setParameter(int[] indices, double value)
void	setParameters(Matrix m)

Methods inherited from class java.lang.Object

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

Constructor Detail

MinimizableCRF

protected MinimizableCRF(InstanceList ilist,
                         CRFByGISUpdate crf)

Method Detail

getNewMatrix

public Matrix getNewMatrix()

Specified by:

getNewMatrix in interface Minimizable

getNumParameters

public int getNumParameters()

getParameters

public Matrix getParameters(Matrix m)

Specified by:

getParameters in interface Minimizable

setParameters

public void setParameters(Matrix m)

Specified by:

setParameters in interface Minimizable

getParameter

public double getParameter(int[] indices)

Specified by:

getParameter in interface Minimizable

setParameter

public void setParameter(int[] indices,
                         double value)

Specified by:

setParameter in interface Minimizable

getCost

public double getCost()

Specified by:

getCost in interface Minimizable

getGISUpdate

public void getGISUpdate(Matrix params,
                         Matrix updates)

Returns a GIS update for the current parameter setting specified by params

Specified by:

getGISUpdate in interface Minimizable.ByGISUpdate

Parameters:

params - feature weights of current model

updates - Matrix Object in which to store the updates