Mercurial > hg > camir-aes2014

diff toolboxes/FullBNT-1.0.7/bnt/CPDs/@gmux_CPD/sample_node.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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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolboxes/FullBNT-1.0.7/bnt/CPDs/@gmux_CPD/sample_node.m	Tue Feb 10 15:05:51 2015 +0000
@@ -0,0 +1,10 @@
+function y = sample_node(CPD, pev)
+% SAMPLE_NODE Draw a random sample from P(Xi | x(pi_i), theta_i)  (gmux)
+% y = sample_node(CPD, parent_evidence)
+%
+% parent_ev{i} is the value of the i'th parent
+
+dpval = pev{CPD.dps};
+x = pev{CPD.cps(dpval)};
+y = gsamp(CPD.mean(:,dpval) + CPD.weights(:,:,dpval)*x(:), CPD.cov(:,:,dpval), 1);
+y = y(:);