Ch. 2 of my free online book about neural nets and deep learning now available: http://neuralnetworksanddeeplearning.com/chap2.html Covers backpropagation in depth.
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@michael_nielsen I wonder if it's possible/nicer to explain single module (layer) of a net, and then build up to composition of them.
@karpathy v1 of the chapter took that approach. It turned out more complicated, which is why I went on to version 2.
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@michael_nielsen i see. Backprop is so frustratingly simple in my head. Can't find satisfying way of serializing the understanding to words -
@karpathy I started to storyboard an animated explanation. I think it's a LOT easier to think of that way, indeed, almost trivial, when...
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