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annotate toolboxes/FullBNT-1.0.7/netlab3.3/dempot.m @ 0:cc4b1211e677 tip
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| author | Daniel Wolff |
|---|---|
| date | Fri, 19 Aug 2016 13:07:06 +0200 |
| parents | |
| children |
| rev | line source |
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| Daniel@0 | 1 function e = dempot(x, mix) |
| Daniel@0 | 2 %DEMPOT Computes the negative log likelihood for a mixture model. |
| Daniel@0 | 3 % |
| Daniel@0 | 4 % Description |
| Daniel@0 | 5 % This function computes the negative log of the unconditional data |
| Daniel@0 | 6 % density P(X) for a Gaussian mixture model. The data structure MIX |
| Daniel@0 | 7 % defines the mixture model, while the matrix X contains the data |
| Daniel@0 | 8 % vectors. |
| Daniel@0 | 9 % |
| Daniel@0 | 10 % See also |
| Daniel@0 | 11 % DEMGPOT, DEMHMC1, DEMMET1 |
| Daniel@0 | 12 % |
| Daniel@0 | 13 |
| Daniel@0 | 14 % Copyright (c) Ian T Nabney (1996-2001) |
| Daniel@0 | 15 |
| Daniel@0 | 16 % Computes the potential (negative log likelihood) |
| Daniel@0 | 17 e = -log(gmmprob(mix, x)); |