diff toolboxes/FullBNT-1.0.7/HMM/dhmm_sample_endstate.m @ 0:e9a9cd732c1e tip

first hg version after svn
author wolffd
date Tue, 10 Feb 2015 15:05:51 +0000
parents
children
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolboxes/FullBNT-1.0.7/HMM/dhmm_sample_endstate.m	Tue Feb 10 15:05:51 2015 +0000
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+function [obs, hidden] = dhmm_sample_endstate(startprob, transmat, obsmat, endprob, numex)
+% SAMPLE_DHMM Generate random sequences from an HMM with discrete outputs.
+% function [obs, hidden] = sample_dhmm_endstate(startprob, transmat, obsmat, endprob, numex)
+%
+% We sample until we have have entered the end state
+% obs{m} and hidden{m} are the m'th sequence
+
+hidden = cell(1,numex);
+obs = cell(1,numex);
+
+for m=1:numex
+  hidden{m} = mc_sample_endstate(startprob, transmat, endprob);
+  T = length(hidden{m});
+  obs{m} = zeros(1,T);
+  for t=1:T
+    h = hidden{m}(t);
+    obs{m}(t) = sample_discrete(obsmat(h,:));
+  end
+end