Mercurial > pylearn
changeset 1295:7af2a89bff3d
Change tensor.log -> T.log since tensor was undefined symbol in this scope.
| author | David Warde-Farley <wardefar@iro.umontreal.ca> |
|---|---|
| date | Fri, 01 Oct 2010 11:47:53 -0400 |
| parents | 71f3f22497fe |
| children | b9bc9d5a08cc |
| files | pylearn/formulas/costs.py |
| diffstat | 1 files changed, 2 insertions(+), 2 deletions(-) [+] |
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--- a/pylearn/formulas/costs.py Fri Oct 01 11:28:22 2010 -0400 +++ b/pylearn/formulas/costs.py Fri Oct 01 11:47:53 2010 -0400 @@ -10,13 +10,13 @@ """ Compute the crossentropy of binary output wrt binary target. .. math:: - L_{CE} \equiv t\log(o) + (1-t)\log(1-o) + L_{CE} \equiv t\log(o) + (1-t)\log(1-o) :type output: Theano variable :param output: Binary output or prediction :math:`\in[0,1]` :type target: Theano variable :param target: Binary target usually :math:`\in\{0,1\}` """ - return -(target * tensor.log(output) + (1.0 - target) * tensor.log(1.0 - output)) + return -(target * T.log(output) + (1.0 - target) * T.log(1.0 - output))