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The original was posted on /r/machinelearning by /u/madiyar on 2025-02-17 19:16:15+00:00.

Hi,

I started working on visual explanation of backpropagation. Here is the part 1:. Please let me know what you think.

One part that confuses me about backpropagation is why people associate backpropagation to the chain rule ? The chain rule doesn’t clearly explain when there are multiple paths from a parameter to the loss. Eventually I realized that I was missing the term “multivariate chain rule,” and once I found it, everything clicked in my head. Let me know if you have thoughts here.

Thanks,