?? normalize_pot.m
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function [pot, loglik] = normalize_pot(pot)% NORMALIZE_POT Convert the CG potential Pr(X,E) into Pr(X|E) and return log Pr(E).% [pot, loglik] = normalize_pot(pot)% Marginalize down to [], so that the normalizing constant becomes Pr(E)temp = cg_can_to_mom(marginalize_pot(pot, []));%loglik = temp.mom{1}.logp;[temp2, loglik] = normalize_pot(temp.mom{1}); % Adjust scale factor to reflect the fact that the pot now represents Pr(X | E) instead of Pr(X,E).scale = -loglik;if 1switch pot.subtype case 'm' for i=1:pot.dsize pot.mom{i} = rescale_pot(pot.mom{i}, scale); end case 'c' for i=1:pot.dsize pot.can{i} = rescale_pot(pot.can{i}, scale); endend end
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