Package org.carrot2.math.matrix

Interface IterativeMatrixFactorization

All Superinterfaces:

MatrixFactorization

All Known Implementing Classes:

KMeansMatrixFactorization, LocalNonnegativeMatrixFactorization, NonnegativeMatrixFactorizationED, NonnegativeMatrixFactorizationKL

public interface IterativeMatrixFactorization
extends MatrixFactorization

Performs an iterative matrix factorization.

Method Summary

Modifier and Type	Method	Description
double	getApproximationError()	Returns approximation error achieved after the last iteration of the algorithm or -1 if the approximation error is not available.
int	getIterationsCompleted()	Returns the number of iterations the algorithm has completed.

Methods inherited from interface org.carrot2.math.matrix.MatrixFactorization

getU, getV

Method Details

getApproximationError

double getApproximationError()

Returns approximation error achieved after the last iteration of the algorithm or -1 if the approximation error is not available.

Returns:

approximation error or -1

getIterationsCompleted

int getIterationsCompleted()

Returns the number of iterations the algorithm has completed.

Returns:

the number of iterations the algorithm has completed