org.lsmp.djep.vectorJep.values
Class Matrix

java.lang.Object
  java.lang.Number
      org.lsmp.djep.vectorJep.values.Matrix

All Implemented Interfaces:

MatrixValueI, java.io.Serializable

public class Matrix

extends java.lang.Number

implements MatrixValueI

Represents a matrix.

Since:

2.3.2 Added equals method.

Version:

2.3.0.2 now extends number, 2.3.1.1 Bug with non square matricies fixed.

Author:

Rich Morris Created on 07-Jul-2003

See Also:

Serialized Form

Constructor Summary

Matrix(int rows, int cols)
Construct a matrix with given rows and cols.

Method Summary

double	doubleValue() value of ele(1,1).
boolean	equals(java.lang.Object obj) Are two matricies equal, element by element Overrides Object.
float	floatValue() value of ele(1,1).
Dimensions	getDim() Returns the dimension of this object.
java.lang.Object	getEle(int n) gets the i-th element, treats data a a linear array.
java.lang.Object	getEle(int i, int j)
java.lang.Object[][]	getEles()
int	getNumCols()
int	getNumEles() The total number of elements.
int	getNumRows()
int	hashCode() Always override hashCode when you override equals.
int	intValue() value of ele(1,1).
long	longValue() value of ele(1,1).
void	setEle(int i, int j, java.lang.Object value)
void	setEle(int n, java.lang.Object value) sets the i-th element, treats data a a linear array.
void	setEles(MatrixValueI val) sets the elements to those of the arguments.
java.lang.String	toString() Returns a string rep of matrix.

Methods inherited from class java.lang.Number

byteValue, shortValue

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Matrix

public Matrix(int rows,
              int cols)

Construct a matrix with given rows and cols.

Method Detail

toString

public java.lang.String toString()

Returns a string rep of matrix. Uses [[a,b],[c,d]] syntax.

getDim

public Dimensions getDim()

Description copied from interface: MatrixValueI

Returns the dimension of this object.

Specified by:

getDim in interface MatrixValueI

getNumEles

public int getNumEles()

Description copied from interface: MatrixValueI

The total number of elements.

Specified by:

getNumEles in interface MatrixValueI

getNumRows

public int getNumRows()

getNumCols

public int getNumCols()

setEle

public void setEle(int n,
                   java.lang.Object value)

Description copied from interface: MatrixValueI

sets the i-th element, treats data a a linear array.

Specified by:

setEle in interface MatrixValueI

setEle

public void setEle(int i,
                   int j,
                   java.lang.Object value)

getEle

public java.lang.Object getEle(int n)

Description copied from interface: MatrixValueI

gets the i-th element, treats data a a linear array.

Specified by:

getEle in interface MatrixValueI

getEle

public java.lang.Object getEle(int i,
                               int j)

getEles

public java.lang.Object[][] getEles()

setEles

public void setEles(MatrixValueI val)

sets the elements to those of the arguments.

Specified by:

setEles in interface MatrixValueI

intValue

public int intValue()

value of ele(1,1).

longValue

public long longValue()

value of ele(1,1).

floatValue

public float floatValue()

value of ele(1,1).

doubleValue

public double doubleValue()

value of ele(1,1).

equals

public boolean equals(java.lang.Object obj)

Are two matricies equal, element by element Overrides Object.

hashCode

public int hashCode()

Always override hashCode when you override equals. Efective Java, Joshua Bloch, Sun Press