org.jmat.data.matrixTools
Class Shuffle

java.lang.Object
  |
  +--org.jmat.data.matrixTools.Shuffle

public class Shuffle

extends java.lang.Object

Shuffle algoritm.

Constructor Summary

Shuffle(int n)
Construct a shuffled order.

Method Summary

static double[]	Array(double[] X) Return a shuffled array
int[]	getOrder() Get the order of the entire column.
int	getOrder(int i) Get the order of one line.
static void	main(java.lang.String[] args)
static AbstractMatrix	MatrixColumns(AbstractMatrix X) Shuffle columns of a Matrix
static AbstractMatrix	MatrixElements(AbstractMatrix X) Shuffle elements of a Matrix
static AbstractMatrix	MatrixRows(AbstractMatrix X) Shuffle rows of a Matrix

Methods inherited from class java.lang.Object

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

Constructor Detail

Shuffle

public Shuffle(int n)

Construct a shuffled order.

Parameters:

n - Size to shuffle.

Method Detail

getOrder

public int getOrder(int i)

Get the order of one line.

Parameters:

i - order of the line i.

Returns:

order shuffled.

getOrder

public int[] getOrder()

Get the order of the entire column.

Returns:

orders shuffled.

Array

public static double[] Array(double[] X)

Return a shuffled array

Parameters:

X - double array

Returns:

double array

MatrixRows

public static AbstractMatrix MatrixRows(AbstractMatrix X)

Shuffle rows of a Matrix

Parameters:

X - Matrix to shuffle

Returns:

a Matrix

MatrixColumns

public static AbstractMatrix MatrixColumns(AbstractMatrix X)

Shuffle columns of a Matrix

Parameters:

X - Matrix to shuffle

Returns:

a Matrix

MatrixElements

public static AbstractMatrix MatrixElements(AbstractMatrix X)

Shuffle elements of a Matrix

Parameters:

X - Matrix to shuffle

Returns:

a Matrix

main

public static void main(java.lang.String[] args)