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From GitBox <...@apache.org>
Subject [GitHub] [incubator-mxnet] apeforest edited a comment on issue #15120: [bug] fix higher grad log
Date Thu, 06 Jun 2019 17:51:07 GMT
apeforest edited a comment on issue #15120: [bug] fix higher grad log 
URL: https://github.com/apache/incubator-mxnet/pull/15120#issuecomment-499599418
 
 
   > ```python
   > x_grad = x_grad_mid * y_grad # Note this part.
   > ```
   
   I don't think this part is correct.
   
   Note: your x_grad_mid is dL/dx.
   So x_grad_mid = y_grad * grad_op(x)
   
   Do you mean to write x_grad = grad_op(x) * y_grad?

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