BVLC/caffe — pull request #1279 by sciencepie (2014-10-15 01:00:16+00:00)
Title: Update loss_layers.hpp

Clarify the documentation for cross-entropy loss in line 694:
* @f$, for softmax output class probabilites @f$ \hat{p}_{i,j}, where i is the instance index, j is the label @f$
*/