Package de.labathome.trustconstr.matrix

Class SparseMatrix.Factory

java.lang.Object

de.labathome.trustconstr.matrix.SparseMatrix.Factory

Enclosing class:

SparseMatrix

public static final class SparseMatrix.Factory
extends Object

Static factories that produce SparseMatrix instances.

Method Summary

Modifier and Type	Method	Description
static SparseMatrix	copyFromMatrix(Matrix m)
static SparseMatrix	zeros(long[] size)
static SparseMatrix	zeros(long rows, long cols)

Methods inherited from class java.lang.Object

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

Method Details

zeros

public static SparseMatrix zeros(long rows,
 long cols)

Parameters:

rows - number of rows

cols - number of columns

Returns:

a fresh empty SparseMatrix

zeros

public static SparseMatrix zeros(long[] size)

Parameters:

size - length-2 shape array [rows, cols]

Returns:

a fresh empty SparseMatrix

copyFromMatrix

public static SparseMatrix copyFromMatrix(Matrix m)

Parameters:

m - source matrix

Returns:

a fresh SparseMatrix containing the non-zero entries of m