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[P] JustANeuron - Understand Backpropagation Through an Interactive Visualization of a Single Neuron (alien.top)

submitted 11 months ago by xjustwaitx@alien.top to c/machinelearning@academy.garden

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I recently saw Karpathy's video on backpropagation, and at some point around the 40-minute mark he shows how to visualize backpropagation flowing through the computational graph of a single neuron, which I felt really made me understand automatic backpropagation intuitively for the first time. But I felt that I had to mess around with it for it to really sink in. So me and a friend quickly made an interactive, online version of the visualization, please tell me what you think!

https://amitalevy.com/justaneuron/

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[–] Infamous-Bank-7739@alien.top 1 points 11 months ago

Why do the multiplications and sums have a grad? Is this related to how autograd works? I understand it in equation terms, but don't see the necessity in computational terms