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Why the second derivative is the gradient of the pooling operation. #64

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WHQ1111 opened this issue Oct 12, 2019 · 1 comment

WHQ1111 commented Oct 12, 2019

When I read 'special_grads.py', I wondering why the second derivative is the gradient of the pooling operation.

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WHQ1111 commented Oct 12, 2019

Besides, I don't know why it returns a triple and what each element in this triple represents. Thanks in advance for your answer.

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