org.apache.mahout.math.hadoop.decomposer

Class EigenVector

java.lang.Object

org.apache.mahout.math.NamedVector

org.apache.mahout.math.hadoop.decomposer.EigenVector

All Implemented Interfaces:

Cloneable, Vector

public class EigenVector
extends NamedVector

TODO this is a horrible hack. Make a proper writable subclass also.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.mahout.math.Vector

Vector.Element

Constructor Summary

Constructors

Constructor and Description
EigenVector(Vector v, double eigenValue, double cosAngleError, int order)

Method Summary

Modifier and Type	Method and Description
double	getCosAngleError()
static double	getCosAngleError(CharSequence name)
double	getEigenValue()
static double	getEigenValue(CharSequence name)
int	getIndex()
static int	getIndex(CharSequence name)
protected double[]	parseMetaData()
static double[]	parseMetaData(CharSequence name)

Methods inherited from class org.apache.mahout.math.NamedVector

aggregate, aggregate, all, asFormatString, assign, assign, assign, assign, assign, assign, clone, cross, divide, dot, equals, get, getDelegate, getDistanceSquared, getElement, getIteratorAdvanceCost, getLengthSquared, getLookupCost, getName, getNumNondefaultElements, getNumNonZeroElements, getQuick, hashCode, incrementQuick, isAddConstantTime, isDense, isSequentialAccess, like, like, logNormalize, logNormalize, maxValue, maxValueIndex, mergeUpdates, minus, minValue, minValueIndex, nonZeroes, norm, normalize, normalize, plus, plus, set, setQuick, size, times, times, toString, viewPart, zSum

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

EigenVector

public EigenVector(Vector v,
                   double eigenValue,
                   double cosAngleError,
                   int order)

Method Detail

getEigenValue

public double getEigenValue()

getCosAngleError

public double getCosAngleError()

getIndex

public int getIndex()

getEigenValue

public static double getEigenValue(CharSequence name)

getCosAngleError

public static double getCosAngleError(CharSequence name)

getIndex

public static int getIndex(CharSequence name)

parseMetaData

public static double[] parseMetaData(CharSequence name)

parseMetaData

protected double[] parseMetaData()