annotate 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
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wolffd@0 1 function [clpot, loglik] = enter_soft_evidence(engine, clique, potential, onodes, pot_type)
wolffd@0 2 % ENTER_SOFT_EVIDENCE Add the specified potentials to the network (jtree)
wolffd@0 3 % [clpot, loglik] = enter_soft_evidence(engine, clique, potential, onodes, pot_type, maximize)
wolffd@0 4 %
wolffd@0 5 % We multiply potential{i} onto clique(i) before propagating.
wolffd@0 6 % We return all the modified clique potentials.
wolffd@0 7
wolffd@0 8 % only used by BK!
wolffd@0 9
wolffd@0 10 [clpot, seppot] = init_pot(engine, clique, potential, pot_type, onodes);
wolffd@0 11 [clpot, seppot] = collect_evidence(engine, clpot, seppot);
wolffd@0 12 [clpot, seppot] = distribute_evidence(engine, clpot, seppot);
wolffd@0 13
wolffd@0 14 C = length(clpot);
wolffd@0 15 ll = zeros(1, C);
wolffd@0 16 for i=1:C
wolffd@0 17 [clpot{i}, ll(i)] = normalize_pot(clpot{i});
wolffd@0 18 end
wolffd@0 19 loglik = ll(1); % we can extract the likelihood from any clique
wolffd@0 20
wolffd@0 21