Package gov.nih.mipav.model.structures.jama

Class JamaMatrix

java.lang.Object

gov.nih.mipav.model.structures.jama.JamaMatrix

public class JamaMatrix
extends Object

Wrapper around Jama package, @see src/Jama/ Provides access to features unique to Jama lib, otherwise use WildMagic Matrix3f, Matrix4f and GMatrix classes.

Author:

helser

Field Summary

Fields

Modifier and Type	Field	Description
private Jama.Matrix	matrix

Constructor Summary

Constructors

Modifier	Constructor	Description
	JamaMatrix(double[][] A)
	JamaMatrix(int m, int n)	Initial value set to 0.0 for all elements
	JamaMatrix(int m, int n, double s)
private	JamaMatrix(Jama.Matrix B)	Convert results from Jama lib

Method Summary

Modifier and Type	Method	Description
double	get(int i, int j)	Get a single element.
double[][]	getArrayCopy()	Copy the internal two-dimensional array.
void	set(int i, int j, double s)	Set a single element.
JamaMatrix	solve(JamaMatrix B)

Methods inherited from class java.lang.Object

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

Field Details

matrix

private Jama.Matrix matrix

Constructor Details

JamaMatrix

public JamaMatrix(int m,
 int n)

Initial value set to 0.0 for all elements

Parameters:

m - number of columns

n - number of rows

JamaMatrix

public JamaMatrix(int m,
 int n,
 double s)

Parameters:

m - number of columns

n - number of rows

s - initial value for all elements.

JamaMatrix

public JamaMatrix(double[][] A)

Parameters:

A - rectangular 2D matrix with data, stores a reference.

JamaMatrix

private JamaMatrix(Jama.Matrix B)

Convert results from Jama lib

Parameters:

B - internal data

Method Details

solve

public JamaMatrix solve(JamaMatrix B)

get

public double get(int i,
 int j)

Get a single element.

Parameters:

i - Row index.

j - Column index.

Returns:

A(i,j)

Throws:

ArrayIndexOutOfBoundsException

set

public void set(int i,
 int j,
 double s)

Set a single element.

Parameters:

i - Row index.

j - Column index.

s - A(i,j).

Throws:

ArrayIndexOutOfBoundsException

getArrayCopy

public double[][] getArrayCopy()

Copy the internal two-dimensional array.

Returns:

Two-dimensional array copy of matrix elements.