Mercurial > hg > camir-aes2014

diff toolboxes/FullBNT-1.0.7/bnt/inference/static/@jtree_inf_engine/distribute_evidence.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/inference/static/@jtree_inf_engine/distribute_evidence.m	Tue Feb 10 15:05:51 2015 +0000
@@ -0,0 +1,11 @@
+function [clpot, seppot] = distribute_evidence(engine, clpot, seppot)
+% DISTRIBUTE_EVIDENCE Do message passing from root to leaves (parents then children)
+% [clpot, seppot] = distribute_evidence(engine, clpot, seppot)
+
+for n=engine.preorder
+  for c=engine.preorder_children{n}
+    clpot{c} = divide_by_pot(clpot{c}, seppot{n,c}); 
+    seppot{n,c} = marginalize_pot(clpot{n}, engine.separator{n,c}, engine.maximize);
+    clpot{c} = multiply_by_pot(clpot{c}, seppot{n,c});
+  end
+end