Package mathvoyage.matrix

Class Matrix

java.lang.Object

mathvoyage.matrix.Matrix

public class Matrix
extends Object

voyager.Matrix class

Constructor Summary

Constructors

Constructor	Description
Matrix(double[][] data)	Instantiates a new Matrix.
Matrix(double[] data, int rows, int cols)	Instantiates a new Matrix.
Matrix(int[][] data)	Instantiates a new Matrix.
Matrix(int[] data, int rows, int cols)	Instantiates a new Matrix.
Matrix(int rows, int cols)	Instantiates a new Matrix.
Matrix(int rows, int cols, double value)	Instantiates a new Matrix.

Method Summary

Modifier and Type	Method	Description
Matrix	add(Matrix b)	Add matrix.
double	get(int row, int col)	Get double.
int	getCols()	Get cols int.
double[][]	getData()	Get data double [ ] [ ].
double	getDeterminant()	Get determinant double.
int	getRows()	Get rows int.
Matrix	inverse()	Inverse matrix.
boolean	isEqual(Matrix a)	Is equal boolean.
Matrix	multiply(double b)	Multiply matrix.
Matrix	multiply(Matrix b)	Multiply matrix.
Matrix	pow(int exponant)	Pow matrix.
void	printMatrix()	Print matrix.
Matrix	subtract(Matrix b)	Subtract matrix.
Matrix	transpose()	Transpose matrix.

Methods inherited from class java.lang.Object

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

Constructor Details

Matrix

public Matrix(double[][] data)

Instantiates a new Matrix.

Parameters:

data - the data

Matrix

public Matrix(int[][] data)

Instantiates a new Matrix.

Parameters:

data - the data

Matrix

public Matrix(int rows,
 int cols)

Instantiates a new Matrix.

Parameters:

rows - the rows

cols - the cols

Matrix

public Matrix(double[] data,
 int rows,
 int cols)

Instantiates a new Matrix.

Parameters:

data - the data

rows - the rows

cols - the cols

Matrix

public Matrix(int[] data,
 int rows,
 int cols)

Instantiates a new Matrix.

Parameters:

data - the data

rows - the rows

cols - the cols

Matrix

public Matrix(int rows,
 int cols,
 double value)

Instantiates a new Matrix.

Parameters:

rows - the rows

cols - the cols

value - the value

Method Details

getDeterminant

public double getDeterminant()

Get determinant double.

Returns:

the double

getRows

public int getRows()

Get rows int.

Returns:

the int

getCols

public int getCols()

Get cols int.

Returns:

the int

getData

public double[][] getData()

Get data double [ ] [ ].

Returns:

the double [ ] [ ]

get

public double get(int row,
 int col)

Get double.

Parameters:

row - the row

col - the col

Returns:

the double

add

public Matrix add(Matrix b)

Add matrix.

Parameters:

b - the b

Returns:

the matrix

subtract

public Matrix subtract(Matrix b)

Subtract matrix.

Parameters:

b - the b

Returns:

the matrix

multiply

public Matrix multiply(Matrix b)

Multiply matrix.

Parameters:

b - the b

Returns:

the matrix

multiply

public Matrix multiply(double b)

Multiply matrix.

Parameters:

b - the b

Returns:

the matrix

transpose

public Matrix transpose()

Transpose matrix.

Returns:

the matrix

inverse

public Matrix inverse()

Inverse matrix.

Returns:

the matrix

printMatrix

public void printMatrix()

Print matrix.

pow

public Matrix pow(int exponant)

Pow matrix.

Parameters:

exponant - the exponant

Returns:

the matrix

isEqual

public boolean isEqual(Matrix a)

Is equal boolean.

Parameters:

a - the a

Returns:

the boolean