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exacity / deeplearningbook-chinese

Deep Learning Book Chinese Translation
https://exacity.github.io/deeplearningbook-chinese
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5.8.1主成分分析勘误 #240

Open q77190858 opened 2 years ago

q77190858 commented 2 years ago

公式5.85上面，第93页第一行，向量随机变量的期望应该也是一个零向量，而书中是标量零。 E[x]=0 应该改为 E[x]=0