cs231n
cs231n assignment
some record, for impressive moment
batchnorm_backward_alt_derivation, assignment2
derive the batchnorm_backward_alt by hand, using an element-wise method.
There is a mistake at last step in the picture, there should be a x.shape[0] multiplying the first dout.
But the code is right.
vectorization using the above method
knn compute_distances_no_loops, assignment1
