hep.physics.matrix
Class BasicMatrix

java.lang.Object
  hep.physics.matrix.BasicMatrix

All Implemented Interfaces:

Matrix, MutableMatrix, java.io.Serializable

public class BasicMatrix
extends java.lang.Object
implements MutableMatrix, java.io.Serializable

A very simple matrix implementation

Author:

tonyj

See Also:

Serialized Form

Constructor Summary

BasicMatrix(double[][] data)
Creates a new instance of BasicMatrix

BasicMatrix(int nRows, int nCols)

BasicMatrix(Matrix mIn)

Method Summary

double	det()
double	e(int row, int column) Returns the value of the given element
int	getNColumns() Returns the number of columns
int	getNRows() Returns the number of rows
void	invert() Invert this matrix (into itself)
void	setElement(int row, int column, double value) Set the given element of the matrix
java.lang.String	toString()
void	transpose() Tranpose this matrix (into itself)

Methods inherited from class java.lang.Object

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

Constructor Detail

BasicMatrix

public BasicMatrix(int nRows,
                   int nCols)

BasicMatrix

public BasicMatrix(double[][] data)

Creates a new instance of BasicMatrix

BasicMatrix

public BasicMatrix(Matrix mIn)

Method Detail

getNRows

public int getNRows()

Description copied from interface: Matrix

Returns the number of rows

Specified by:

getNRows in interface Matrix

getNColumns

public int getNColumns()

Description copied from interface: Matrix

Returns the number of columns

Specified by:

getNColumns in interface Matrix

e

public double e(int row,
                int column)

Description copied from interface: Matrix

Returns the value of the given element

Specified by:

e in interface Matrix

det

public double det()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

setElement

public void setElement(int row,
                       int column,
                       double value)

Description copied from interface: MutableMatrix

Set the given element of the matrix

Specified by:

setElement in interface MutableMatrix

invert

public void invert()
            throws MatrixOp.IndeterminateMatrixException

Description copied from interface: MutableMatrix

Invert this matrix (into itself)

Specified by:

invert in interface MutableMatrix

Throws:

MatrixOp.IndeterminateMatrixException

See Also:

MatrixOp.inverse(Matrix,MutableMatrix)

transpose

public void transpose()

Description copied from interface: MutableMatrix

Tranpose this matrix (into itself)

Specified by:

transpose in interface MutableMatrix

See Also:

MatrixOp.transposed(Matrix,MutableMatrix)