about summary refs log tree commit diff
path: root/sourcecodes/bnt-master/HMM/dhmm_sample_endstate.m
diff options
context:
space:
mode:
authorziejd22018-03-14 23:23:33 -0500
committerGitHub2018-03-14 23:23:33 -0500
commit1ff6baa44e22b91eefb48aea6f3befa078c0489b (patch)
treee0fd79d2e32fd2aedda2eadaed0f19af3514c520 /sourcecodes/bnt-master/HMM/dhmm_sample_endstate.m
parent6882395afdadf4e982b25b5215071a0932730950 (diff)
parentc80226899f5cdd9f11c163817d59445213f5bef0 (diff)
downloadBNW-1ff6baa44e22b91eefb48aea6f3befa078c0489b.tar.gz
Merge pull request #1 from ziejd2/octave_php_separate
Octave php separate
Diffstat (limited to 'sourcecodes/bnt-master/HMM/dhmm_sample_endstate.m')
-rw-r--r--sourcecodes/bnt-master/HMM/dhmm_sample_endstate.m19
1 files changed, 19 insertions, 0 deletions
diff --git a/sourcecodes/bnt-master/HMM/dhmm_sample_endstate.m b/sourcecodes/bnt-master/HMM/dhmm_sample_endstate.m
new file mode 100644
index 00000000..1972ebd2
--- /dev/null
+++ b/sourcecodes/bnt-master/HMM/dhmm_sample_endstate.m
@@ -0,0 +1,19 @@
+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