Mercurial > hg > camir-aes2014
comparison toolboxes/FullBNT-1.0.7/bnt/inference/online/@jtree_2TBN_inf_engine/fwd1.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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-1:000000000000 | 0:e9a9cd732c1e |
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1 function [f, logscale] = fwd1(engine, ev, t) | |
2 % Forwards pass for slice 1. | |
3 | |
4 bnet = bnet_from_engine(engine); | |
5 ss = bnet.nnodes_per_slice; | |
6 | |
7 CPDpot = cell(1,ss); | |
8 for n=1:ss | |
9 fam = family(bnet.dag, n, 1); | |
10 e = bnet.equiv_class(n, 1); | |
11 CPDpot{n} = convert_to_pot(bnet.CPD{e}, engine.pot_type, fam(:), ev); | |
12 end | |
13 f.t = t; | |
14 f.evidence = ev; | |
15 | |
16 pots = CPDpot; | |
17 slice1 = 1:ss; | |
18 CPDclqs = engine.clq_ass_to_node1(slice1); | |
19 | |
20 [f.clpot, f.seppot] = init_pot(engine.jtree_engine1, CPDclqs, CPDpot, engine.pot_type, engine.observed1); | |
21 [f.clpot, f.seppot] = collect_evidence(engine.jtree_engine1, f.clpot, f.seppot); | |
22 for c=1:length(f.clpot) | |
23 [f.clpot{c}, ll(c)] = normalize_pot(f.clpot{c}); | |
24 end | |
25 logscale = ll(engine.root1); | |
26 |