hanbt / learn_dl

Deep learning algorithms source code for beginners
Apache License 2.0
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cnn中的梯度检查(全1数组) #27

Open FlyingCat-fa opened 6 years ago

FlyingCat-fa commented 6 years ago

cnn梯度检查中的sensitivity map为什么是全1数组,是为了反向传播时使得权重梯度都不为0么?

correctanswerdd commented 5 years ago

因为这个sensitivity map就是输出层?(如果误望指正orz)