de.gsi.math.matrix

Class AbstractMatrix

java.lang.Object

de.gsi.math.matrix.AbstractMatrix

All Implemented Interfaces:

Matrix, Serializable, Cloneable

Direct Known Subclasses:

MatrixD

public abstract class AbstractMatrix
extends Object
implements Matrix

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected int	m
protected int	n

Constructor Summary

Constructors

Constructor and Description
AbstractMatrix()

Method Summary

Modifier and Type	Method and Description
void	checkMatrixDimensions(Matrix B) Check if size(A) == size(B)
int	getColumnDimension() Get column dimension.
int	getRowDimension() Get row dimension
double	norm1() One norm
double	norm2() Two norm
double	normF() Frobenius norm
double	normInf() Infinity norm

Methods inherited from class java.lang.Object

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

Methods inherited from interface de.gsi.math.matrix.Matrix

copy, get, set

Field Detail

m

protected int m

n

protected int n

Constructor Detail

AbstractMatrix

public AbstractMatrix()

Method Detail

checkMatrixDimensions

public void checkMatrixDimensions(Matrix B)

Check if size(A) == size(B)

Specified by:

checkMatrixDimensions in interface Matrix

getColumnDimension

public int getColumnDimension()

Get column dimension.

Specified by:

getColumnDimension in interface Matrix

Returns:

n, the number of columns.

getRowDimension

public int getRowDimension()

Get row dimension

Specified by:

getRowDimension in interface Matrix

Returns:

m, the number of rows.

norm1

public double norm1()

One norm

Returns:

maximum column sum.

norm2

public double norm2()

Two norm

Returns:

maximum singular value.

normF

public double normF()

Frobenius norm

Returns:

sqrt of sum of squares of all elements.

normInf

public double normInf()

Infinity norm

Returns:

maximum row sum.