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Posted to commits@mxnet.apache.org by GitBox <gi...@apache.org> on 2018/10/22 18:21:21 UTC

[GitHub] x110 commented on issue #12899: Gradient of BatchNorm layer

x110 commented on issue #12899: Gradient of BatchNorm layer
URL: https://github.com/apache/incubator-mxnet/issues/12899#issuecomment-431800745
 
 
   In the documentation of batchnorm, I found:
   `Both gamma and beta are learnable parameters. But if fix_gamma is true, then set gamma to 1 and its gradient to 0.`
   
   Why is` fix_gamma=True` the default behavior?
   

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