opennlp.tools.ml.maxent.quasinewton

Class LineSearch.LineSearchResult

java.lang.Object

opennlp.tools.ml.maxent.quasinewton.LineSearch.LineSearchResult

Enclosing class:

LineSearch

public static class LineSearch.LineSearchResult
extends Object

Class to store lineSearch result

Constructor Summary

Constructors

Constructor and Description
LineSearchResult(double stepSize, double valueAtCurr, double valueAtNext, double[] gradAtCurr, double[] gradAtNext, double[] pseudoGradAtNext, double[] currPoint, double[] nextPoint, double[] signVector, int fctEvalCount) Constructor with sign vector
LineSearchResult(double stepSize, double valueAtCurr, double valueAtNext, double[] gradAtCurr, double[] gradAtNext, double[] currPoint, double[] nextPoint, int fctEvalCount) Constructor

Method Summary

Modifier and Type	Method and Description
double[]	getCurrPoint()
int	getFctEvalCount()
double	getFuncChangeRate()
double[]	getGradAtCurr()
double[]	getGradAtNext()
static LineSearch.LineSearchResult	getInitialObject(double valueAtX, double[] gradAtX, double[] x) Initial linear search object.
static LineSearch.LineSearchResult	getInitialObject(double valueAtX, double[] gradAtX, double[] pseudoGradAtX, double[] x, double[] signX, int fctEvalCount)
static LineSearch.LineSearchResult	getInitialObjectForL1(double valueAtX, double[] gradAtX, double[] pseudoGradAtX, double[] x) Initial linear search object for L1-regularization.
double[]	getNextPoint()
double[]	getPseudoGradAtNext()
double[]	getSignVector()
double	getStepSize()
double	getValueAtCurr()
double	getValueAtNext()
void	setAll(double stepSize, double valueAtCurr, double valueAtNext, double[] gradAtCurr, double[] gradAtNext, double[] pseudoGradAtNext, double[] currPoint, double[] nextPoint, double[] signVector, int fctEvalCount) Update line search elements
void	setAll(double stepSize, double valueAtCurr, double valueAtNext, double[] gradAtCurr, double[] gradAtNext, double[] currPoint, double[] nextPoint, int fctEvalCount) Update line search elements
void	setCurrPoint(double[] currPoint)
void	setFctEvalCount(int fctEvalCount)
void	setGradAtCurr(double[] gradAtCurr)
void	setGradAtNext(double[] gradAtNext)
void	setNextPoint(double[] nextPoint)
void	setPseudoGradAtNext(double[] pseudoGradAtNext)
void	setSignVector(double[] signVector)
void	setStepSize(double stepSize)
void	setValueAtCurr(double valueAtCurr)
void	setValueAtNext(double valueAtNext)

Methods inherited from class java.lang.Object

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

Constructor Detail

LineSearchResult

public LineSearchResult(double stepSize,
                        double valueAtCurr,
                        double valueAtNext,
                        double[] gradAtCurr,
                        double[] gradAtNext,
                        double[] currPoint,
                        double[] nextPoint,
                        int fctEvalCount)

Constructor

LineSearchResult

public LineSearchResult(double stepSize,
                        double valueAtCurr,
                        double valueAtNext,
                        double[] gradAtCurr,
                        double[] gradAtNext,
                        double[] pseudoGradAtNext,
                        double[] currPoint,
                        double[] nextPoint,
                        double[] signVector,
                        int fctEvalCount)

Constructor with sign vector

Method Detail

setAll

public void setAll(double stepSize,
                   double valueAtCurr,
                   double valueAtNext,
                   double[] gradAtCurr,
                   double[] gradAtNext,
                   double[] currPoint,
                   double[] nextPoint,
                   int fctEvalCount)

Update line search elements

setAll

public void setAll(double stepSize,
                   double valueAtCurr,
                   double valueAtNext,
                   double[] gradAtCurr,
                   double[] gradAtNext,
                   double[] pseudoGradAtNext,
                   double[] currPoint,
                   double[] nextPoint,
                   double[] signVector,
                   int fctEvalCount)

Update line search elements

getFuncChangeRate

public double getFuncChangeRate()

getStepSize

public double getStepSize()

setStepSize

public void setStepSize(double stepSize)

getValueAtCurr

public double getValueAtCurr()

setValueAtCurr

public void setValueAtCurr(double valueAtCurr)

getValueAtNext

public double getValueAtNext()

setValueAtNext

public void setValueAtNext(double valueAtNext)

getGradAtCurr

public double[] getGradAtCurr()

setGradAtCurr

public void setGradAtCurr(double[] gradAtCurr)

getGradAtNext

public double[] getGradAtNext()

setGradAtNext

public void setGradAtNext(double[] gradAtNext)

getPseudoGradAtNext

public double[] getPseudoGradAtNext()

setPseudoGradAtNext

public void setPseudoGradAtNext(double[] pseudoGradAtNext)

getCurrPoint

public double[] getCurrPoint()

setCurrPoint

public void setCurrPoint(double[] currPoint)

getNextPoint

public double[] getNextPoint()

setNextPoint

public void setNextPoint(double[] nextPoint)

getSignVector

public double[] getSignVector()

setSignVector

public void setSignVector(double[] signVector)

getFctEvalCount

public int getFctEvalCount()

setFctEvalCount

public void setFctEvalCount(int fctEvalCount)

getInitialObject

public static LineSearch.LineSearchResult getInitialObject(double valueAtX,
                                                           double[] gradAtX,
                                                           double[] x)

Initial linear search object.

getInitialObjectForL1

public static LineSearch.LineSearchResult getInitialObjectForL1(double valueAtX,
                                                                double[] gradAtX,
                                                                double[] pseudoGradAtX,
                                                                double[] x)

Initial linear search object for L1-regularization.

getInitialObject

public static LineSearch.LineSearchResult getInitialObject(double valueAtX,
                                                           double[] gradAtX,
                                                           double[] pseudoGradAtX,
                                                           double[] x,
                                                           double[] signX,
                                                           int fctEvalCount)