Mercurial > hg > camir-aes2014
view toolboxes/FullBNT-1.0.7/bnt/inference/dynamic/@bk_inf_engine/dbn_update_bel1.m @ 0:e9a9cd732c1e tip
first hg version after svn
author | wolffd |
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date | Tue, 10 Feb 2015 15:05:51 +0000 |
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function [engine, loglik] = dbn_update_bel1(engine, evidence) % DBN_UPDATE_BEL1 Update the initial belief state (bk) % engine = dbn_update_bel1(engine, evidence) % % evidence{i} has the evidence on node i for slice 1 bnet = bnet_from_engine(engine); ss = length(bnet.intra); CPDpot = cell(1,ss); t = 1; for n=1:ss fam = family(bnet.dag, n); e = bnet.equiv_class(n, 1); CPDpot{n} = convert_to_pot(bnet.CPD{e}, engine.pot_type, fam(:), evidence); end onodes = find(~isemptycell(evidence)); [clpot, loglik] = enter_soft_evidence(engine.sub_engine1, engine.clq_ass_to_node1, CPDpot, onodes, engine.pot_type); C = length(engine.clusters); newbel = cell(1,C); for c=1:C k = engine.clq_ass_to_cluster1(c); newbel{c} = marginalize_pot(clpot{k}, engine.clusters{c}); end engine.bel = newbel; engine.bel_clpot = clpot; engine.slice1 = 1;