Mercurial > hg > camir-aes2014
annotate toolboxes/FullBNT-1.0.7/bnt/potentials/@dpot/marginalize_pot.m @ 0:e9a9cd732c1e tip
first hg version after svn
author | wolffd |
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date | Tue, 10 Feb 2015 15:05:51 +0000 |
parents | |
children |
rev | line source |
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wolffd@0 | 1 function smallpot = marginalize_pot(bigpot, onto, maximize) |
wolffd@0 | 2 % MARGINALIZE_POT Marginalize a dpot onto a smaller domain. |
wolffd@0 | 3 % smallpot = marginalize_pot(bigpot, onto, maximize) |
wolffd@0 | 4 % |
wolffd@0 | 5 % 'onto' must be in ascending order. |
wolffd@0 | 6 |
wolffd@0 | 7 if nargin < 3, maximize = 0; end |
wolffd@0 | 8 |
wolffd@0 | 9 ns = zeros(1, max(bigpot.domain)); |
wolffd@0 | 10 ns(bigpot.domain) = bigpot.sizes; |
wolffd@0 | 11 %assert(isequal(bigpot.sizes, mysize(bigpot.T))); % may fail if there are trailing dimensions of size 1 |
wolffd@0 | 12 if issparse(bigpot.T) |
wolffd@0 | 13 smallT = marg_sparse_table(bigpot.T, bigpot.domain, bigpot.sizes, onto, maximize); |
wolffd@0 | 14 else |
wolffd@0 | 15 smallT = marg_table(bigpot.T, bigpot.domain, bigpot.sizes, onto, maximize); |
wolffd@0 | 16 end |
wolffd@0 | 17 smallpot = dpot(onto, ns(onto), smallT); |