MLPACK  1.0.4
Public Member Functions | Static Public Member Functions
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

static void Update (const arma::mat &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 81 of file als_update_rules.hpp.


Constructor & Destructor Documentation

Definition at line 85 of file als_update_rules.hpp.


Member Function Documentation

static void mlpack::nmf::HAlternatingLeastSquaresRule::Update ( const arma::mat &  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:
VInput matrix to be factorized.
WBasis matrix.
HEncoding matrix to be updated.

Definition at line 95 of file als_update_rules.hpp.


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