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amaas / stanford_dl_ex

Programming exercises for the Stanford Unsupervised Feature Learning and Deep Learning Tutorial
http://ufldl.stanford.edu/tutorial
MIT License
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Tutorial: Exercise: Supervised Neural Networks #12

Open ypeels opened 9 years ago

ypeels commented 9 years ago

http://ufldl.stanford.edu/tutorial/supervised/ExerciseSupervisedNeuralNetwork/

The equation for delta should not have a sum over i, since a different set of delta values is computed for each training example.

Also, the RHS is a scalar and not a vector, so the LHS should have a matching subscript k.

This was all noticed previously by @civilstat