annotate toolboxes/FullBNT-1.0.7/bnt/inference/static/@jtree_inf_engine/collect_evidence.m @ 0:e9a9cd732c1e
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first hg version after svn
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wolffd |
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Tue, 10 Feb 2015 15:05:51 +0000 |
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1 function [clpot, seppot] = collect_evidence(engine, clpot, seppot)
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2 % COLLECT_EVIDENCE Do message passing from leaves to root (children then parents)
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3 % [clpot, seppot] = collect_evidence(engine, clpot, seppot)
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4
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5 for n=engine.postorder %postorder(1:end-1)
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6 for p=engine.postorder_parents{n}
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7 %clpot{p} = divide_by_pot(clpot{n}, seppot{p,n}); % dividing by 1 is redundant
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8 seppot{p,n} = marginalize_pot(clpot{n}, engine.separator{p,n}, engine.maximize);
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9 clpot{p} = multiply_by_pot(clpot{p}, seppot{p,n});
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10 end
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11 end
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12
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