Mercurial > hg > camir-aes2014

diff toolboxes/RBM/softmax_activation.m @ 0:e9a9cd732c1e tip

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first hg version after svn
author wolffd
date Tue, 10 Feb 2015 15:05:51 +0000
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolboxes/RBM/softmax_activation.m	Tue Feb 10 15:05:51 2015 +0000
@@ -0,0 +1,12 @@
+function A = softmax_activation( softmax_group)
+A = exp(softmax_group);
+A = A./repmat(sum(A,2),1,size(A,2));
+for i=1:size(A,1)
+    A(i,:) = cumsum(A(i,:))>rand();
+    m = max(A(i,:));
+    inx = find(A(i,:)==m,1,'first');
+    A(i,:) = 0;
+    A(i,inx) = 1;
+end
+end
+