diff toolboxes/FullBNT-1.0.7/bnt/potentials/@dpot/normalize_pot.m @ 0:e9a9cd732c1e tip

first hg version after svn
author wolffd
date Tue, 10 Feb 2015 15:05:51 +0000
parents
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolboxes/FullBNT-1.0.7/bnt/potentials/@dpot/normalize_pot.m	Tue Feb 10 15:05:51 2015 +0000
@@ -0,0 +1,12 @@
+function [pot, loglik] = normalize_pot(pot)
+% NORMALIZE_POT Convert the discrete potential Pr(X,E) into Pr(X|E) and return log Pr(E).
+% [pot, loglik] = normalize_pot(pot)
+
+if isempty(pot.T)  %add to process sparse
+   loglik = 0;
+   return;
+end
+[pot.T, lik] = normalise(pot.T);
+loglik = log(lik + (lik==0)*eps);
+
+