mathcomp.la
Class MapMatrix

java.lang.Object
  mathcomp.la.Matrix
      mathcomp.la.MapMatrix

public class MapMatrix
extends Matrix

Author:

pht

Method Summary

Matrix	copy() Creates a copy of this matrix.
double	get(java.lang.Object i, java.lang.Object j) Returns value at (i,j).
Index	getIndex()
java.util.Iterator	relevantIndices(java.lang.Object row) Returns Iterator, that traverses all indices of nonnull elements in the row row.
int	relevantIndicesNum(java.lang.Object row) Returns the number of nonnull elements in row row.
void	set(java.lang.Object i, java.lang.Object j, double x) Sets value at (i,j) to x.
java.lang.String	toString()

Methods inherited from class mathcomp.la.Matrix

add, map, map, transpose

Methods inherited from class java.lang.Object

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

Method Detail

getIndex

public Index getIndex()

Specified by:

getIndex in class Matrix

get

public double get(java.lang.Object i,
                  java.lang.Object j)

Description copied from class: Matrix

Returns value at (i,j).

Specified by:

get in class Matrix

Parameters:

i - index of the row

j - index of the column

Returns:

value at (i,j)

set

public void set(java.lang.Object i,
                java.lang.Object j,
                double x)

Description copied from class: Matrix

Sets value at (i,j) to x.

Specified by:

set in class Matrix

Parameters:

i - index of the row

j - index of the column

x - value to set at (i,j)

copy

public Matrix copy()

Description copied from class: Matrix

Creates a copy of this matrix.

Specified by:

copy in class Matrix

Returns:

a copy of this matrix

relevantIndices

public java.util.Iterator relevantIndices(java.lang.Object row)

Description copied from class: Matrix

Returns Iterator, that traverses all indices of nonnull elements in the row row.

Overrides:

relevantIndices in class Matrix

Parameters:

row - the index of the row

Returns:

Iterator, that traverses all indices of nonnull elements in the row row

relevantIndicesNum

public int relevantIndicesNum(java.lang.Object row)

Description copied from class: Matrix

Returns the number of nonnull elements in row row.

Overrides:

relevantIndicesNum in class Matrix

Parameters:

row - the index of the row

Returns:

the number of nonnull elements in row row

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object