MLPACK
1.0.10
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The alternating least square update rules of matrices W and H. More...
Public Member Functions | |
NMFALSUpdate () | |
template<typename MatType > | |
void | Initialize (const MatType &dataset, const size_t rank) |
Static Public Member Functions | |
template<typename MatType > | |
static void | HUpdate (const MatType &V, const arma::mat &W, arma::mat &H) |
The update rule for the encoding matrix H. More... | |
template<typename MatType > | |
static void | WUpdate (const MatType &V, arma::mat &W, const arma::mat &H) |
The update rule for the basis matrix W. More... | |
The alternating least square update rules of matrices W and H.
Definition at line 39 of file nmf_als.hpp.
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inline |
Definition at line 43 of file nmf_als.hpp.
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inlinestatic |
The update rule for the encoding matrix H.
The formula used is
The function takes in all the matrices and only changes the value of the H matrix.
V | Input matrix to be factorized. |
W | Basis matrix. |
H | Encoding matrix to be updated. |
Definition at line 96 of file nmf_als.hpp.
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inline |
Definition at line 46 of file nmf_als.hpp.
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inlinestatic |
The update rule for the basis matrix W.
The formula used is
The function takes in all the matrices and only changes the value of the W matrix.
V | Input matrix to be factorized. |
W | Basis matrix to be updated. |
H | Encoding matrix. |
Definition at line 65 of file nmf_als.hpp.