CS224d Assignment1 答案, Part(2/4)

Assignment1的答案一共被我分成了4部分，分别包含第1，2，3，4题。这部分包含第2题的答案。 2. Neural Network Basics (30 points) (a). (3 points) Derive the gradients of the sigmoid function and show that it can be rewritten as a function of

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