Mercurial > hg > camir-aes2014
diff toolboxes/FullBNT-1.0.7/bnt/potentials/@dpot/marginalize_pot.m @ 0:e9a9cd732c1e tip
first hg version after svn
| author | wolffd |
|---|---|
| date | Tue, 10 Feb 2015 15:05:51 +0000 |
| parents | |
| children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/toolboxes/FullBNT-1.0.7/bnt/potentials/@dpot/marginalize_pot.m Tue Feb 10 15:05:51 2015 +0000 @@ -0,0 +1,17 @@ +function smallpot = marginalize_pot(bigpot, onto, maximize) +% MARGINALIZE_POT Marginalize a dpot onto a smaller domain. +% smallpot = marginalize_pot(bigpot, onto, maximize) +% +% 'onto' must be in ascending order. + +if nargin < 3, maximize = 0; end + +ns = zeros(1, max(bigpot.domain)); +ns(bigpot.domain) = bigpot.sizes; +%assert(isequal(bigpot.sizes, mysize(bigpot.T))); % may fail if there are trailing dimensions of size 1 +if issparse(bigpot.T) + smallT = marg_sparse_table(bigpot.T, bigpot.domain, bigpot.sizes, onto, maximize); +else + smallT = marg_table(bigpot.T, bigpot.domain, bigpot.sizes, onto, maximize); +end +smallpot = dpot(onto, ns(onto), smallT);