practical-cnn
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How to initialize the dzdy in practice?
For example, in exercise 3, why you compute dzdx3 as follows: dzdx3 = ... - single(res.x3 < 1 & pos) / sum(pos(:)) + ... + single(res.x3 > 0 & neg) / sum(neg(:)) ; In other words, how to obtain the initial project tensor p in practice?
I have the same question about it. Why is the dzdx3 initialized with this value?