annotate toolboxes/FullBNT-1.0.7/KPMstats/condgauss_sample.m @ 0:e9a9cd732c1e tip

first hg version after svn
author wolffd
date Tue, 10 Feb 2015 15:05:51 +0000
parents
children
rev   line source
wolffd@0 1 function x = mixgauss_sample(mu, Sigma, labels)
wolffd@0 2 % MIXGAUSS_SAMPLE Sample from a mixture of Gaussians given known mixture labels
wolffd@0 3 % function x = mixgauss_sample(mu, Sigma, labels)
wolffd@0 4
wolffd@0 5 T = length(labels);
wolffd@0 6 [D Q] = size(mu);
wolffd@0 7 x = zeros(D,T);
wolffd@0 8 for q=1:Q
wolffd@0 9 ndx = find(labels==q);
wolffd@0 10 x(:,ndx) = gaussian_sample(mu(:,q)', Sigma(:,:,q), length(ndx))';
wolffd@0 11 end