mlpack::nmf::HAlternatingLeastSquaresRule Class Reference

The update rule for the encoding matrix H. More...

List of all members.

Public Member Functions

 HAlternatingLeastSquaresRule ()

Static Public Member Functions

template<typename MatType >
static void Update (const MatType &V, const arma::mat &W, arma::mat &H)
 The update function that actually updates the H matrix.

Detailed Description

The update rule for the encoding matrix H.

The formula used is

\[ H = \frac{W^TV}{W^TW} \]

Definition at line 82 of file als_update_rules.hpp.


Constructor & Destructor Documentation

mlpack::nmf::HAlternatingLeastSquaresRule::HAlternatingLeastSquaresRule (  )  [inline]

Definition at line 86 of file als_update_rules.hpp.


Member Function Documentation

template<typename MatType >
static void mlpack::nmf::HAlternatingLeastSquaresRule::Update ( const MatType &  V,
const arma::mat &  W,
arma::mat &  H 
) [inline, static]

The update function that actually updates the H matrix.

The function takes in all the matrices and only changes the value of the H matrix.

Parameters:
V Input matrix to be factorized.
W Basis matrix.
H Encoding matrix to be updated.

Definition at line 97 of file als_update_rules.hpp.


The documentation for this class was generated from the following file:

Generated on 29 Sep 2016 for MLPACK by  doxygen 1.6.1