net.metanotion.numerics
Class SparseMatrix

java.lang.Object
  net.metanotion.numerics.SparseMatrix

public class SparseMatrix
extends java.lang.Object

Field Summary

protected double[]	aa
protected int	arraysize
protected int	columns
protected int	count
protected int[]	ja
protected int	rows

Constructor Summary

SparseMatrix(int rows, int columns)

Method Summary

double	get(int x, int y)
void	setElementAt(double val, int x, int y)
double[]	times(double[] x)
void	times(double[] x, double[] out)
double[]	timesWithTranpose(double[] x)

Methods inherited from class java.lang.Object

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

Field Detail

rows

protected int rows

columns

protected int columns

count

protected int count

arraysize

protected int arraysize

aa

protected double[] aa

ja

protected int[] ja

Constructor Detail

SparseMatrix

public SparseMatrix(int rows,
                    int columns)

Method Detail

times

public void times(double[] x,
                  double[] out)

times

public double[] times(double[] x)

timesWithTranpose

public double[] timesWithTranpose(double[] x)

setElementAt

public void setElementAt(double val,
                         int x,
                         int y)

get

public double get(int x,
                  int y)