org.biojava.nbio.survival.cox.matrix

Class Matrix

java.lang.Object

org.biojava.nbio.survival.cox.matrix.Matrix

public class Matrix
extends Object

*********************************************************************** Compilation: javac Matrix.java Execution: java Matrix A bare-bones collection of static methods for manipulating matrices.

Constructor Summary

Constructors

Constructor and Description
Matrix()

Method Summary

Modifier and Type	Method and Description
static double[]	abs(double[] A)
static double[][]	abs(double[][] A)
static double[][]	add(double[][] A, double[][] B)
static double[][]	diag(double[] A)
static double[]	diag(double[][] A)
static double	dot(double[] x, double[] y)
static double[][]	identity(int n)
static void	main(String[] args)
static double[]	multiply(double[][] A, double[] x)
static double[][]	multiply(double[][] A, double[][] B)
static double[]	multiply(double[] x, double[][] A)
static double[]	oneDivide(double[] A)
static double[][]	oneDivide(double[][] A)
static double[][]	random(int m, int n)
static double[][]	scale(double[][] A, double x)
static double[][]	scale(double[][] A, double[] x)
static double[]	sqrt(double[] A)
static double[][]	sqrt(double[][] A)
static double[][]	subtract(double[][] A, double[][] B)
static double[][]	transpose(double[][] A)

Methods inherited from class java.lang.Object

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

Constructor Detail

Matrix

public Matrix()

Method Detail

sqrt

public static double[][] sqrt(double[][] A)

Parameters:

A -

Returns:

sqrt

public static double[] sqrt(double[] A)

Parameters:

A -

Returns:

oneDivide

public static double[][] oneDivide(double[][] A)

Parameters:

A -

Returns:

oneDivide

public static double[] oneDivide(double[] A)

Parameters:

A -

Returns:

diag

public static double[] diag(double[][] A)

Parameters:

A -

Returns:

diag

public static double[][] diag(double[] A)

Parameters:

A -

Returns:

abs

public static double[][] abs(double[][] A)

Parameters:

A -

Returns:

abs

public static double[] abs(double[] A)

Parameters:

A -

Returns:

random

public static double[][] random(int m,
                                int n)

Parameters:

m -

n -

Returns:

identity

public static double[][] identity(int n)

Parameters:

n -

Returns:

dot

public static double dot(double[] x,
                         double[] y)

Parameters:

x -

y -

Returns:

transpose

public static double[][] transpose(double[][] A)

Parameters:

A -

Returns:

add

public static double[][] add(double[][] A,
                             double[][] B)

Parameters:

A -

B -

Returns:

subtract

public static double[][] subtract(double[][] A,
                                  double[][] B)

Parameters:

A -

B -

Returns:

multiply

public static double[][] multiply(double[][] A,
                                  double[][] B)

Parameters:

A -

B -

Returns:

multiply

public static double[] multiply(double[][] A,
                                double[] x)

Parameters:

A -

x -

Returns:

scale

public static double[][] scale(double[][] A,
                               double[] x)

Parameters:

A -

x -

Returns:

scale

public static double[][] scale(double[][] A,
                               double x)

Parameters:

A -

x -

Returns:

multiply

public static double[] multiply(double[] x,
                                double[][] A)

Parameters:

x -

A -

Returns:

main

public static void main(String[] args)

Parameters:

args -