com.croftsoft.core.math.matrix
Class MatrixImp

java.lang.Object
  com.croftsoft.core.math.matrix.MatrixImp

All Implemented Interfaces:

Matrix, MatrixMut

Direct Known Subclasses:

Matrix3x3Imp

public class MatrixImp
extends Object
implements MatrixMut

Implementation of interface MatrixMut.

Since:

2008-04-25

Version:

$Id: MatrixImp.java,v 1.5 2008/05/09 18:35:56 croft Exp $

Author:

David Wallace Croft

Field Summary

protected int	columnCount
protected int	rowCount
protected double[][]	values

Constructor Summary

MatrixImp(double[][] values)

MatrixImp(int rowCount, int columnCount)

MatrixImp(Matrix matrix)

Method Summary

MatrixMut	copy()
void	copyToSelf(Matrix copy)
double	get(int row, int column)
int	getColumnCount()
int	getRowCount()
boolean	isIdentity()
boolean	isSquare()
boolean	matches(Matrix matrix)
boolean	matches(Matrix matrix, double tolerance)
MatrixMut	multiply(double scalar)
MatrixMut	multiply(Matrix matrix)
void	multiplyToSelf(double scalar)
void	multiplyToSelf(Matrix matrix)
void	set(int row, int column, double value)
void	setIdentity()
String	toString()
MatrixMut	transpose()
void	transposeSelf()

Methods inherited from class java.lang.Object

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

Field Detail

rowCount

protected final int rowCount

columnCount

protected final int columnCount

values

protected final double[][] values

Constructor Detail

MatrixImp

public MatrixImp(int rowCount,
                 int columnCount)

MatrixImp

public MatrixImp(Matrix matrix)

MatrixImp

public MatrixImp(double[][] values)

Method Detail

get

public double get(int row,
                  int column)

Specified by:

get in interface Matrix

getRowCount

public int getRowCount()

Specified by:

getRowCount in interface Matrix

getColumnCount

public int getColumnCount()

Specified by:

getColumnCount in interface Matrix

isIdentity

public boolean isIdentity()

Specified by:

isIdentity in interface Matrix

isSquare

public boolean isSquare()

Specified by:

isSquare in interface Matrix

matches

public boolean matches(Matrix matrix)

Specified by:

matches in interface Matrix

matches

public boolean matches(Matrix matrix,
                       double tolerance)

Specified by:

matches in interface Matrix

copy

public MatrixMut copy()

Specified by:

copy in interface Matrix

multiply

public MatrixMut multiply(Matrix matrix)

Specified by:

multiply in interface Matrix

multiply

public MatrixMut multiply(double scalar)

Specified by:

multiply in interface Matrix

copyToSelf

public void copyToSelf(Matrix copy)

Specified by:

copyToSelf in interface MatrixMut

multiplyToSelf

public void multiplyToSelf(double scalar)

Specified by:

multiplyToSelf in interface MatrixMut

multiplyToSelf

public void multiplyToSelf(Matrix matrix)

Specified by:

multiplyToSelf in interface MatrixMut

set

public void set(int row,
                int column,
                double value)

Specified by:

set in interface MatrixMut

setIdentity

public void setIdentity()

Specified by:

setIdentity in interface MatrixMut

transpose

public MatrixMut transpose()

Specified by:

transpose in interface Matrix

transposeSelf

public void transposeSelf()

Specified by:

transposeSelf in interface MatrixMut

toString

public String toString()

Overrides:

toString in class Object