apeforest commented on issue #14613: [MXNET-978] Higher order gradient support for some unary operators URL: https://github.com/apache/incubator-mxnet/pull/14613#issuecomment-497414573 @sxjscience After discussing with @kshitij12345, we think it will cause less impact to exist first order gradient by adding a `FGradient` attribute to the backward operator. Please see https://github.com/apache/incubator-mxnet/pull/14992 Therefore I also refactored change in this PR. Now it passed all CI unit tests. Please review again. Thanks!
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