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How does PyTorch find every gradient by itself?

Autograd, step by step: PyTorch records the forward pass as a graph, then replays it backward. In the last article we did backpropagation by hand. We sent the error back through a tiny network, one node at a time, and found each weight's gradient. It worked, but nobody does that for a real network…

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  1. 2026-10-31 23:50 · DEV Community — Machine Learning
    How does PyTorch find every gradient by itself?

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