Mercurial > hg > camir-aes2014
view toolboxes/FullBNT-1.0.7/bnt/CPDs/@discrete_CPD/Old/convert_to_table.m @ 0:e9a9cd732c1e tip
first hg version after svn
author | wolffd |
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date | Tue, 10 Feb 2015 15:05:51 +0000 |
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function T = convert_to_table(CPD, domain, local_ev, obs_bitv) % CONVERT_TO_TABLE Convert a discrete CPD to a table % function T = convert_to_table(CPD, domain, local_ev, obs_bitv) % % We convert the CPD to a CPT, and then lookup the evidence on the discrete parents. % The resulting table can easily be converted to a potential. CPT = CPD_to_CPT(CPD); obs_child_only = ~any(obs_bitv(1:end-1)) & obs_bitv(end); if obs_child_only sz = size(CPT); CPT = reshape(CPT, prod(sz(1:end-1)), sz(end)); o = local_ev{end}; T = CPT(:, o); else odom = domain(obs_bitv); vals = cat(1, local_ev{find(obs_bitv)}); % undo cell array map = find_equiv_posns(odom, domain); index = mk_multi_index(length(domain), map, vals); T = CPT(index{:}); end