dragon.matrix.factorize

Interface Factorization

All Known Implementing Classes:

AbstractFactorization, NMF, SVD

public interface Factorization

Interface of matrix factorization

Copyright: Copyright (c) 2005

Company: IST, Drexel University

Version:

1.0

Author:

Davis Zhou

Method Summary

Modifier and Type	Method and Description
void	factorize(SparseMatrix matrix, int dimension) Factorizes the given matrix
DoubleDenseMatrix	getLeftMatrix() Gets the left matrix
DoubleDenseMatrix	getMiddleMatrix() Gets the middle matrix
DoubleDenseMatrix	getRightMatrix() Gets the right matrix

Method Detail

factorize

void factorize(SparseMatrix matrix,
               int dimension)

Factorizes the given matrix

Parameters:

matrix - the matrix for factorization

dimension - the number of dimensions for the middle matrix

getLeftMatrix

DoubleDenseMatrix getLeftMatrix()

Gets the left matrix

Returns:

the left matrix

getRightMatrix

DoubleDenseMatrix getRightMatrix()

Gets the right matrix

Returns:

the right matrix

getMiddleMatrix

DoubleDenseMatrix getMiddleMatrix()

Gets the middle matrix

Returns:

the middle matrix