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annotate toolboxes/FullBNT-1.0.7/bnt/CPDs/@root_CPD/convert_to_pot.m @ 0:e9a9cd732c1e tip

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first hg version after svn
author wolffd
date Tue, 10 Feb 2015 15:05:51 +0000
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wolffd@0 1 function pot = convert_to_pot(CPD, pot_type, domain, evidence)
wolffd@0 2 % CONVERT_TO_POT Convert a root CPD to one or more potentials
wolffd@0 3 % pots = convert_to_pot(CPD, pot_type, domain, evidence)
wolffd@0 4
wolffd@0 5 assert(length(domain)==1);
wolffd@0 6 assert(~isempty(evidence(domain)));
wolffd@0 7 T = 1;
wolffd@0 8
wolffd@0 9 sz = CPD.sizes;
wolffd@0 10 ns = zeros(1, max(domain));
wolffd@0 11 ns(domain) = sz;
wolffd@0 12
wolffd@0 13 switch pot_type
wolffd@0 14 case 'u',
wolffd@0 15 pot = upot(domain, 1, T, 0);
wolffd@0 16 case 'd',
wolffd@0 17 ns(domain) = 1;
wolffd@0 18 pot = dpot(domain, ns(domain), T);
wolffd@0 19 case {'c','g'},
wolffd@0 20 ns(domain) = 0;
wolffd@0 21 pot = cpot(domain, ns(domain), 0);
wolffd@0 22 case 'cg',
wolffd@0 23 ddom = [];
wolffd@0 24 cdom = domain; % we assume the root node is cts
wolffd@0 25 %pot = cgpot(ddom, cdom, ns, {cpot([],[],0)});
wolffd@0 26 pot = cgpot(ddom, cdom, ns);
wolffd@0 27 end
wolffd@0 28