view toolboxes/FullBNT-1.0.7/bnt/CPDs/@discrete_CPD/CPD_to_pi.m @ 0:cc4b1211e677 tip

initial commit to HG from
Changeset:
646 (e263d8a21543) added further path and more save "camirversion.m"

function pi = CPD_to_pi(CPD, msg_type, n, ps, msg, evidence)
% COMPUTE_PI Compute pi vector (discrete) 
% pi = compute_pi(CPD, msg_type, n, ps, msg, evidence)
% Pearl p183 eq 4.51

switch msg_type
  case 'd',
   T = prod_CPT_and_pi_msgs(CPD, n, ps, msg);
   pi = pot_to_marginal(marginalize_pot(T, n));
   pi = pi.T(:);                   
 case 'g', 
  error('can only convert discrete CPD to Gaussian pi if observed')
end