Mercurial > hg > camir-aes2014
comparison toolboxes/FullBNT-1.0.7/bnt/CPDs/@discrete_CPD/CPD_to_pi.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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children |
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-1:000000000000 | 0:e9a9cd732c1e |
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1 function pi = CPD_to_pi(CPD, msg_type, n, ps, msg, evidence) | |
2 % COMPUTE_PI Compute pi vector (discrete) | |
3 % pi = compute_pi(CPD, msg_type, n, ps, msg, evidence) | |
4 % Pearl p183 eq 4.51 | |
5 | |
6 switch msg_type | |
7 case 'd', | |
8 T = prod_CPT_and_pi_msgs(CPD, n, ps, msg); | |
9 pi = pot_to_marginal(marginalize_pot(T, n)); | |
10 pi = pi.T(:); | |
11 case 'g', | |
12 error('can only convert discrete CPD to Gaussian pi if observed') | |
13 end |