gov.sandia.cognition.math.matrix.mtj

Class SparseMatrixFactoryMTJ

java.lang.Object

gov.sandia.cognition.math.matrix.MatrixFactory<SparseMatrix>

gov.sandia.cognition.math.matrix.mtj.SparseMatrixFactoryMTJ

All Implemented Interfaces:

java.io.Serializable

public class SparseMatrixFactoryMTJ
extends MatrixFactory<SparseMatrix>

Factory for MTJ's flexible sparse row matrix

Since:

1.0

Author:

Kevin R. Dixon

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static SparseMatrixFactoryMTJ	INSTANCE Default instance of this

Fields inherited from class gov.sandia.cognition.math.matrix.MatrixFactory

DEFAULT_DENSE_INSTANCE, DEFAULT_DIAGONAL_INSTANCE, DEFAULT_SPARSE_INSTANCE

Constructor Summary

Constructors

Constructor and Description
SparseMatrixFactoryMTJ() Creates a new instance of SparseMatrixFactoryMTJ

Method Summary

Modifier and Type	Method and Description
SparseMatrix	copyMatrix(Matrix m) Creates a deep copy new Matrix given another, argument is unchanged
SparseMatrix	createMatrix(int numRows, int numColumns) Creates an empty Matrix of the specified dimensions, all elements must be all zeros!
SparseColumnMatrix	createWrapper(no.uib.cipr.matrix.sparse.FlexCompColMatrix internalMatrix) Creates a new wrapper for a sparse column MTJ matrix.
SparseRowMatrix	createWrapper(no.uib.cipr.matrix.sparse.FlexCompRowMatrix internalMatrix) Creates a new wrapper for a sparse row MTJ matrix.

Methods inherited from class gov.sandia.cognition.math.matrix.MatrixFactory

copyArray, copyColumnVectors, copyColumnVectors, copyRowVectors, copyRowVectors, createDiagonal, createGaussianRandom, createIdentity, createIdentity, createMatrix, createUniformRandom, createUniformRandom, getDefault, getDenseDefault, getDiagonalDefault, getSparseDefault

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final SparseMatrixFactoryMTJ INSTANCE

Default instance of this

Constructor Detail

SparseMatrixFactoryMTJ

public SparseMatrixFactoryMTJ()

Creates a new instance of SparseMatrixFactoryMTJ

Method Detail

copyMatrix

public SparseMatrix copyMatrix(Matrix m)

Description copied from class: MatrixFactory

Creates a deep copy new Matrix given another, argument is unchanged

Specified by:

copyMatrix in class MatrixFactory<SparseMatrix>

Parameters:

m - Matrix to copy

Returns:

Deep copy of the given Matrix

createMatrix

public SparseMatrix createMatrix(int numRows,
                                 int numColumns)

Description copied from class: MatrixFactory

Creates an empty Matrix of the specified dimensions, all elements must be all zeros!

Specified by:

createMatrix in class MatrixFactory<SparseMatrix>

Parameters:

numRows - number of rows in the Matrix

numColumns - number of columns in the Matrix

Returns:

All-zero empty Matrix of the specified dimensions

createWrapper

public SparseColumnMatrix createWrapper(no.uib.cipr.matrix.sparse.FlexCompColMatrix internalMatrix)

Creates a new wrapper for a sparse column MTJ matrix.

Parameters:

internalMatrix - The MTJ matrix to wrap.

Returns:

A wrapper of the given MTJ matrix.

createWrapper

public SparseRowMatrix createWrapper(no.uib.cipr.matrix.sparse.FlexCompRowMatrix internalMatrix)

Creates a new wrapper for a sparse row MTJ matrix.

Parameters:

internalMatrix - The MTJ matrix to wrap.

Returns:

A wrapper of the given MTJ matrix.