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annotate toolboxes/FullBNT-1.0.7/bnt/potentials/@dpot/normalize_pot.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 [pot, loglik] = normalize_pot(pot)
wolffd@0 2 % NORMALIZE_POT Convert the discrete potential Pr(X,E) into Pr(X|E) and return log Pr(E).
wolffd@0 3 % [pot, loglik] = normalize_pot(pot)
wolffd@0 4
wolffd@0 5 if isempty(pot.T) %add to process sparse
wolffd@0 6 loglik = 0;
wolffd@0 7 return;
wolffd@0 8 end
wolffd@0 9 [pot.T, lik] = normalise(pot.T);
wolffd@0 10 loglik = log(lik + (lik==0)*eps);
wolffd@0 11
wolffd@0 12