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annotate toolboxes/FullBNT-1.0.7/bnt/CPDs/@noisyor_CPD/CPD_to_pi.m @ 0:e9a9cd732c1e tip

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first hg version after svn
author wolffd
date Tue, 10 Feb 2015 15:05:51 +0000
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wolffd@0 1 function pi = CPD_to_pi(CPD, msg_type, n, ps, msg, evidence)
wolffd@0 2 % CPD_TO_PI Compute pi vector (noisyor)
wolffd@0 3 % pi = CPD_to_pi(CPD, msg_type, n, ps, msg)
wolffd@0 4 % Pearl p188 eqn 4.57
wolffd@0 5
wolffd@0 6 switch msg_type
wolffd@0 7 case 'd',
wolffd@0 8 pi = sum_prod_CPD_and_pi_msgs(CPD, n, ps, msg);
wolffd@0 9 pi = [pi 1-pi]';
wolffd@0 10 case 'g',
wolffd@0 11 error('can''t convert noisy-or CPD to Gaussian pi')
wolffd@0 12 end