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exacity / deeplearningbook-chinese

Deep Learning Book Chinese Translation
https://exacity.github.io/deeplearningbook-chinese
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求助,关于第九章第五节公式(9.11),(9.12),(9.13)的推导 #181

Open wywywy01 opened 6 years ago

wywywy01 commented 6 years ago

实在看不太明白,有看明白的指点一下