diff toolboxes/FullBNT-1.0.7/bnt/inference/static/@stab_cond_gauss_inf_engine/marginal_singleclq_nodes.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/inference/static/@stab_cond_gauss_inf_engine/marginal_singleclq_nodes.m	Tue Feb 10 15:05:51 2015 +0000
@@ -0,0 +1,30 @@
+function marginal = marginal_singleclq_nodes(engine, i, query)
+% MARGINAL_SINGLECLQ_NODES get the marginal distribution of nodes which is in a single clique
+% marginal = marginal_singleclq_nodes(engine, i, query)
+
+pot = struct(engine.clpot{i});
+if isempty(pot.ctaildom)
+    if i ~= engine.root
+        p = parents(engine.jtree, i);
+        tpot = direct_combine_pots(engine.clpot{i}, engine.seppot{p, i});
+    else
+        tpot = engine.clpot{i};
+    end
+    pot = marginalize_pot(tpot, query);
+    
+    marginal = pot_to_marginal(pot);
+    marginal.T = normalise(marginal.T);
+else
+    [engine, clqtoroot] = push(engine, i, query);
+    if clqtoroot == engine.root
+        tpot = engine.clpot{clqtoroot};
+    else
+        p = parents(engine.jtree, clqtoroot);
+        tpot = direct_combine_pots(engine.clpot{clqtoroot}, engine.seppot{p, clqtoroot});
+    end
+    pot = marginalize_pot(tpot, query);
+    
+    marginal = pot_to_marginal(pot);
+    marginal.T = normalise(marginal.T);
+end
+