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

first hg version after svn
author wolffd
date Tue, 10 Feb 2015 15:05:51 +0000
parents
children
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolboxes/FullBNT-1.0.7/bnt/inference/static/@jtree_inf_engine/enter_soft_evidence.m	Tue Feb 10 15:05:51 2015 +0000
@@ -0,0 +1,21 @@
+function [clpot, loglik] = enter_soft_evidence(engine, clique, potential, onodes, pot_type)
+% ENTER_SOFT_EVIDENCE Add the specified potentials to the network (jtree)
+% [clpot, loglik] = enter_soft_evidence(engine, clique, potential, onodes, pot_type, maximize)
+%
+% We multiply potential{i} onto clique(i) before propagating.
+% We return all the modified clique potentials.
+
+% only used by BK!
+
+[clpot, seppot] = init_pot(engine, clique, potential, pot_type, onodes);
+[clpot, seppot] = collect_evidence(engine, clpot, seppot);
+[clpot, seppot] = distribute_evidence(engine, clpot, seppot);
+
+C = length(clpot);
+ll = zeros(1, C);
+for i=1:C
+  [clpot{i}, ll(i)] = normalize_pot(clpot{i});
+end
+loglik = ll(1); % we can extract the likelihood from any clique
+
+