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view toolboxes/FullBNT-1.0.7/bnt/inference/static/@jtree_inf_engine/distribute_evidence.m @ 0:e9a9cd732c1e tip

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first hg version after svn
author wolffd
date Tue, 10 Feb 2015 15:05:51 +0000
parents
children
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function [clpot, seppot] = distribute_evidence(engine, clpot, seppot)
% DISTRIBUTE_EVIDENCE Do message passing from root to leaves (parents then children)
% [clpot, seppot] = distribute_evidence(engine, clpot, seppot)

for n=engine.preorder
  for c=engine.preorder_children{n}
    clpot{c} = divide_by_pot(clpot{c}, seppot{n,c}); 
    seppot{n,c} = marginalize_pot(clpot{n}, engine.separator{n,c}, engine.maximize);
    clpot{c} = multiply_by_pot(clpot{c}, seppot{n,c});
  end
end