?? cpd_to_pi.m
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function pi = CPD_to_pi(CPD, msg_type, n, ps, msg, evidence)
% CPD_TO_PI Compute pi vector (noisyor)
% pi = CPD_to_pi(CPD, msg_type, n, ps, msg)
% Pearl p188 eqn 4.57
switch msg_type
case 'd',
pi = sum_prod_CPD_and_pi_msgs(CPD, n, ps, msg);
pi = [pi 1-pi]';
case 'g',
error('can''t convert noisy-or CPD to Gaussian pi')
end
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