What is this selection using "..." doing in this context?
Z[i, h, w, c] = conv_single_step(a_slice_prev, W[...,c], b[...,c])
Is it a similar operation to X[:,:] but with some other context that I am unable to find?
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1[this](https://stackoverflow.com/a/773472/6689249) – aiven Jan 07 '18 at 21:52
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And a more recent SO question on ':' v '...' (ellipsis), https://stackoverflow.com/questions/47975339/get-confused-with-numpy-operation-a-and-a – hpaulj Jan 07 '18 at 21:55