annotate toolboxes/FullBNT-1.0.7/bnt/general/bnet_to_fgraph.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 fg = bnet_to_fgraph(bnet)
wolffd@0 2 % BNET_TO_FGRAPH Convert a Bayes net to a factor graph
wolffd@0 3 % fg = bnet_to_fgraph(bnet)
wolffd@0 4 %
wolffd@0 5 % We create one factor per family, whose kernel is the CPD
wolffd@0 6
wolffd@0 7 nnodes = length(bnet.dag);
wolffd@0 8 G = zeros(nnodes, nnodes);
wolffd@0 9 for i=1:nnodes
wolffd@0 10 G(family(bnet.dag, i), i) = 1;
wolffd@0 11 end
wolffd@0 12
wolffd@0 13 fg = mk_fgraph(G, bnet.node_sizes, bnet.CPD, 'equiv_class', bnet.equiv_class, 'discrete', bnet.dnodes);
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wolffd@0 16