www.pudn.com > HMM1.zip > condgauss_sample.m

function x = mixgauss_sample(mu, Sigma, labels) 
% MIXGAUSS_SAMPLE Sample from a mixture of Gaussians given known mixture labels 
% function x = mixgauss_sample(mu, Sigma, labels) 
 
T = length(labels); 
[D Q] = size(mu); 
x = zeros(D,T); 
for q=1:Q 
  ndx = find(labels==q); 
  x(:,ndx) = gaussian_sample(mu(:,q)', Sigma(:,:,q), length(ndx))'; 
end