jhypercomplex.matrices

Class Matrix

java.lang.Object

jhypercomplex.matrices.Matrix

Direct Known Subclasses:

SquareMatrix

public class Matrix
extends java.lang.Object

Copyright © 2005-2015 by Markus Maute. All rights reserved.

Author:

Markus Maute (http:///www.jalgebra.com) Class for n x m matrices.

Constructor Summary

Constructors

Constructor and Description
Matrix(boolean is_numerical, java.lang.String[][] matrix)
Matrix(int rows, int cols) Constructor for "empty" matrix
Matrix(java.lang.String[][] array)

Method Summary

Methods

Modifier and Type	Method and Description
static boolean	getIsNumerical()
java.lang.String[][]	getMatrix()
java.lang.String	getMatrixAsHtml()
static java.lang.String	getMatrixAsHtml(Matrix matrix, boolean without_html_tags)
static Matrix	getProduct(Matrix m1, Matrix m2) Right-multiplies matrix m1 with matrix m2.
Matrix	getSubMatrix(int x, int y, int dx, int dy)
Matrix	getTranspose()
void	setComponents(java.lang.String[][] components)
static void	setIsNumerical()
static void	setIsNumerical(boolean is_numerical)

Methods inherited from class java.lang.Object

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

Constructor Detail

Matrix

public Matrix(int rows,
      int cols)

Constructor for "empty" matrix

Parameters:

rows - # of rows.

cols - # of cols.

Matrix

public Matrix(java.lang.String[][] array)

Matrix

public Matrix(boolean is_numerical,
      java.lang.String[][] matrix)

Method Detail

setIsNumerical

public static void setIsNumerical(boolean is_numerical)

Parameters:

is_numerical - 'true': Mathematical operations are carried out numerically. 'false': -- " -- algebraically.

setIsNumerical

public static void setIsNumerical()

getIsNumerical

public static boolean getIsNumerical()

getSubMatrix

public Matrix getSubMatrix(int x,
                  int y,
                  int dx,
                  int dy)

Parameters:

x - horizontal coordinate of left upper corner (counting starts with 1).

y - vertical coordinate of left upper corner (counting starts with 1).

dx - number of of columns.

dy - number of of rows.

Returns:

Submatrix.

setComponents

public void setComponents(java.lang.String[][] components)
                   throws java.lang.Exception

Throws:

java.lang.Exception

getMatrixAsHtml

public static java.lang.String getMatrixAsHtml(Matrix matrix,
                               boolean without_html_tags)

getMatrixAsHtml

public java.lang.String getMatrixAsHtml()

getProduct

public static Matrix getProduct(Matrix m1,
                Matrix m2)
                         throws java.lang.Exception

Right-multiplies matrix m1 with matrix m2.

Parameters:

m1 - Matrix 1. m2 Matrix 2.

Returns:

Product of the two matrices.

Throws:

java.lang.Exception

getTranspose

public Matrix getTranspose()

getMatrix

public java.lang.String[][] getMatrix()