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authorziejd22018-03-14 23:23:33 -0500
committerGitHub2018-03-14 23:23:33 -0500
commit1ff6baa44e22b91eefb48aea6f3befa078c0489b (patch)
treee0fd79d2e32fd2aedda2eadaed0f19af3514c520 /sourcecodes/bnt-master/BNT/general/compute_joint_pot.m
parent6882395afdadf4e982b25b5215071a0932730950 (diff)
parentc80226899f5cdd9f11c163817d59445213f5bef0 (diff)
downloadBNW-1ff6baa44e22b91eefb48aea6f3befa078c0489b.tar.gz
Merge pull request #1 from ziejd2/octave_php_separate
Octave php separate
Diffstat (limited to 'sourcecodes/bnt-master/BNT/general/compute_joint_pot.m')
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diff --git a/sourcecodes/bnt-master/BNT/general/compute_joint_pot.m b/sourcecodes/bnt-master/BNT/general/compute_joint_pot.m
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+function [jpot, loglik] = compute_joint_pot(bnet, nodes, evidence, domain)
+% COMPUTE_JOINT_POT Compute the global joint potential of a Bayes net
+% function jpot = compute_joint_pot(bnet, nodes, evidence, domain)
+
+if nargin < 4, domain = nodes; end
+
+onodes = find(~isemptycell(evidence));
+pot_type = determine_pot_type(bnet, onodes, domain);
+
+jpot = mk_initial_pot(pot_type, domain, bnet.node_sizes, bnet.cnodes, onodes);
+for i=nodes(:)'
+  e = bnet.equiv_class(i);
+  fam = family(bnet.dag, i);
+  pot = convert_to_pot(bnet.CPD{e}, pot_type, fam(:), evidence);
+  jpot = multiply_by_pot(jpot, pot);
+end                                                  
+%[jpot, loglik] = normalize_pot(jpot); % causes errors in asia_dt1 etc