Mercurial > hg > camir-ismir2012
diff toolboxes/FullBNT-1.0.7/bnt/examples/static/Belprop/bp1.m @ 0:cc4b1211e677 tip
initial commit to HG from
Changeset:
646 (e263d8a21543) added further path and more save "camirversion.m"
author | Daniel Wolff |
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date | Fri, 19 Aug 2016 13:07:06 +0200 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/toolboxes/FullBNT-1.0.7/bnt/examples/static/Belprop/bp1.m Fri Aug 19 13:07:06 2016 +0200 @@ -0,0 +1,24 @@ +% Compare different loopy belief propagation algorithms on a graph with a single loop. +% LBP should give exact results if it converges. + +seed = 0; +rand('state', seed); +randn('state', seed); + +N = 2; +dag = zeros(N,N); +dag(1,2)=1; +ns = ones(1,N); +bnet = mk_bnet(dag, ns, 'discrete', []); +for i=1:N + %bnet.CPD{i} = gaussian_CPD(bnet, i, 'mean', 0); + bnet.CPD{i} = gaussian_CPD(bnet, i); +end + +engines = {}; +engines{end+1} = jtree_inf_engine(bnet); +engines{end+1} = pearl_inf_engine(bnet, 'protocol', 'tree'); + +[time, engines] = cmp_inference_static(bnet, engines, 'maximize', 0, 'exact', 1:2, 'observed', [2], ... + 'check_ll', 0, 'singletons_only', 1, 'check_converged', []); +