Questions tagged [cs231n]

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Vectorised Neural Network Backprapogation

I've started the CS231n course and have been going through the proofs and derivations for backpropagation. These two papers by the lecturers are what I've been reading: Paper 1: - http://cs231n....
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Understanding backprop for softmax

I'm looking on a given solution of the first assignment of cs231n course. Down below a snippet from the loss function. I don't really understand lines 140-143. Can ...
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What does it mean to 'gradient check a few dimensions for every separate parameter'?

In lecture notes for cs231n while discussing checking analytical gradient with numerical gradient the paragraph says this: Check only few dimensions. In practice the gradients can have sizes of ...