Mercurial > hg > camir-aes2014
diff toolboxes/FullBNT-1.0.7/bnt/CPDs/@discrete_CPD/convert_CPD_to_table_hidden_ps.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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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/toolboxes/FullBNT-1.0.7/bnt/CPDs/@discrete_CPD/convert_CPD_to_table_hidden_ps.m Tue Feb 10 15:05:51 2015 +0000 @@ -0,0 +1,20 @@ +function T = convert_CPD_to_table_hidden_ps(CPD, child_obs) +% CONVERT_CPD_TO_TABLE_HIDDEN_PS Convert a discrete CPD to a table +% T = convert_CPD_to_table_hidden_ps(CPD, child_obs) +% +% This is like convert_to_table, except that we are guaranteed that +% none of the parents have evidence on them. +% child_obs may be an integer (1,2,...) or []. + +CPT = CPD_to_CPT(CPD); +if isempty(child_obs) + T = CPT(:); +else + sz = dom_sizes(CPD); + if length(sz)==1 % no parents + T = CPT(child_obs); + else + CPT = reshape(CPT, prod(sz(1:end-1)), sz(end)); + T = CPT(:, child_obs); + end +end