csli.util.math.matrix
Class Matrices

java.lang.Object
  csli.util.math.matrix.Matrices

public class Matrices
extends Object

A few handy static linear algebra routines.

Author:

jefe

Constructor Summary

Matrices()

Method Summary

static Matrix	columnVector(double[] data)
static double	dot(double[] u, double[] v)
static Matrix	identity(int dim) Create an identity matrix of dimension dim.

Methods inherited from class java.lang.Object

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

Constructor Detail

Matrices

public Matrices()

Method Detail

identity

public static Matrix identity(int dim)

Create an identity matrix of dimension dim.

Parameters:

dim -

Returns:

columnVector

public static Matrix columnVector(double[] data)

dot

public static double dot(double[] u,
                         double[] v)

Parameters:

u -

v -

Returns:

the dot product of u and v.