Mercurial > pylearn

diff cost.py @ 448:0961d4b56ec5

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Added some documentation
author Joseph Turian <turian@gmail.com>
date Wed, 03 Sep 2008 17:08:54 -0400
parents 45879c1ecde7
children 2bb67e978c28
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--- a/cost.py	Wed Aug 27 17:08:33 2008 -0400
+++ b/cost.py	Wed Sep 03 17:08:54 2008 -0400
@@ -11,4 +11,7 @@
     return T.mean(T.sqr(target - output), axis)
 
 def cross_entropy(target, output, axis=1):
+    """
+    @todo: This is essentially duplicated as nnet_ops.binary_crossentropy
+    """
     return -T.mean(target * T.log(output) + (1 - target) * T.log(1 - output), axis=axis)