com.singularsys.extensions.matrix

Interface MatrixI

All Known Implementing Classes:

ComplexMatrix, DoubleMatrix, GenericMatrix, ObjectMatrix, RationalMatrixFactory.RationalMatrix, SequenceMatrix

public interface MatrixI

Defines the basic interface implemented by all types of matrix.

Since:

Jep 3.5 / Extensions 2.0

Author:

Richard Morris

Method Summary

Modifier and Type	Method and Description
Dimensions	getDimensions() Gets the dimensions of the Vector or Matrix
java.lang.Object	getEle(int row, int col) Gets an element of a matrix
int	getNCols() The number of columns
int	getNRows() The number of rows
void	setEle(int row, int col, java.lang.Object val) Set an element of a matrix
java.lang.Object[][]	toArray(java.lang.Object[][] mat) Copies the data to an array

Method Detail

getEle

java.lang.Object getEle(int row,
                        int col)

Gets an element of a matrix

Parameters:

row - the row

col - the column

Returns:

the element

setEle

void setEle(int row,
            int col,
            java.lang.Object val)
     throws EvaluationException

Set an element of a matrix

Parameters:

row -

col -

val - value to set

Throws:

EvaluationException

getNRows

int getNRows()

The number of rows

Returns:

number of rows

getNCols

int getNCols()

The number of columns

Returns:

number of columns

getDimensions

Dimensions getDimensions()

Gets the dimensions of the Vector or Matrix

Returns:

the dimensions

toArray

java.lang.Object[][] toArray(java.lang.Object[][] mat)
                      throws EvaluationException

Copies the data to an array

Parameters:

mat -

Returns:

mat with the elements filled in

Throws:

EvaluationException - if mat is not a matrix of the correct size