diff toolboxes/FullBNT-1.0.7/bnt/inference/static/@jtree_inf_engine/init_pot.m @ 0:e9a9cd732c1e tip

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/init_pot.m	Tue Feb 10 15:05:51 2015 +0000
@@ -0,0 +1,20 @@
+function [clpot, seppot] = init_pot(engine, clqs, pots, pot_type, onodes, ndx)
+% INIT_POT Initialise potentials with evidence (jtree_inf)
+% function [clpot, seppot] = init_pot(engine, clqs, pots, pot_type, onodes)
+
+cliques = engine.cliques;
+bnet = bnet_from_engine(engine);
+% Set the clique potentials to all 1s
+C = length(cliques);
+clpot = cell(1,C);
+for i=1:C
+  clpot{i} = mk_initial_pot(pot_type, cliques{i}, bnet.node_sizes(:), bnet.cnodes(:), onodes);
+end
+
+% Multiply on specified potentials
+for i=1:length(clqs)
+  c = clqs(i);
+  clpot{c} = multiply_by_pot(clpot{c}, pots{i});
+end
+
+seppot = cell(C,C); % implicitely initialized to 1