Verified80% confidenceFactExact time
The mathematical foundation of the backpropagation algorithm is the chain rule in calculus, which decomposes the gradient of a composite function into the product of local gradients at each layer, propagating the error signal layer by layer from the output layer to the input layer.
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80%
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Relevance
7/14/2026
First Seen
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AI/ML入门后如何进阶：实习与深造如何选择？
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