annotate toolboxes/FullBNT-1.0.7/bnt/general/hodbn_to_bnet.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 bnet = hodbn_to_bnet(dbn, T)
wolffd@0 2 % DBN_TO_BNET Convert a DBN to a static network by unroll for T slices
wolffd@0 3 % bnet = dbn_to_bnet(dbn, T)
wolffd@0 4 ss = length(dbn.intra);
wolffd@0 5 [row,order] = size(dbn.equiv_class);
wolffd@0 6 eclass = [];
wolffd@0 7 for i = 1:min(order,T)
wolffd@0 8 eclass = [eclass ; dbn.equiv_class(:,i)];
wolffd@0 9 end
wolffd@0 10 if T > order
wolffd@0 11 eclass = [eclass ; repmat(dbn.equiv_class(:,order),T-order,1)];
wolffd@0 12 end
wolffd@0 13
wolffd@0 14 dnodes = unroll_set(dbn.dnodes_slice, ss, T);
wolffd@0 15 ns = repmat(dbn.node_sizes_slice(:), 1, T);
wolffd@0 16 dag = unroll_higher_order_topology(dbn.intra, dbn.inter, T, dbn.intra1);
wolffd@0 17 onodes = unroll_set(dbn.observed(:), ss, T);
wolffd@0 18 bnet = mk_bnet(dag, ns(:), 'discrete', dnodes(:), 'equiv_class', eclass(:), 'observed', onodes(:));
wolffd@0 19 bnet.CPD = dbn.CPD;
wolffd@0 20
wolffd@0 21