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annotate toolboxes/FullBNT-1.0.7/netlab3.3/dempot.m @ 0:e9a9cd732c1e tip

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first hg version after svn
author wolffd
date Tue, 10 Feb 2015 15:05:51 +0000
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wolffd@0 1 function e = dempot(x, mix)
wolffd@0 2 %DEMPOT Computes the negative log likelihood for a mixture model.
wolffd@0 3 %
wolffd@0 4 % Description
wolffd@0 5 % This function computes the negative log of the unconditional data
wolffd@0 6 % density P(X) for a Gaussian mixture model. The data structure MIX
wolffd@0 7 % defines the mixture model, while the matrix X contains the data
wolffd@0 8 % vectors.
wolffd@0 9 %
wolffd@0 10 % See also
wolffd@0 11 % DEMGPOT, DEMHMC1, DEMMET1
wolffd@0 12 %
wolffd@0 13
wolffd@0 14 % Copyright (c) Ian T Nabney (1996-2001)
wolffd@0 15
wolffd@0 16 % Computes the potential (negative log likelihood)
wolffd@0 17 e = -log(gmmprob(mix, x));