?? clg_prob.m
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function p = eval_pdf_clg(X,Y,mu,Sigma,W)% function p = eval_pdf_clg(X,Y,mu,Sigma,W)%% p(c,t) = N(Y(:,t); mu(:,c) + W(:,:,c)*X(:,t), Sigma(:,:,c))[d T] = size(Y);[d nc] = size(mu);p = zeros(nc,T);for c=1:nc denom = (2*pi)^(d/2)*sqrt(abs(det(Sigma(:,:,c)))); M = repmat(mu(:,c), 1, T) + W(:,:,c)*X; mahal = sum(((Y-M)'*inv(Sigma(:,:,c))).*(Y-M)',2); p(c,:) = (exp(-0.5*mahal) / denom)';end
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