zleyk22 commented on issue #18078: A possible bug when computing a gradient vector URL: https://github.com/apache/incubator-mxnet/issues/18078#issuecomment-614763343 Xingjian, If it is a bug, then possibly somebody tries to fix it. Do you know such a person? I would like to contact him/her. But if nobody is fixing this bug, then I volunteer to fix it. And as I see it now it may not be an easy task. Zbigniew On 4/15/20 11:19 PM, Xingjian Shi wrote: > > @zleyk22 <https://github.com/zleyk22> Yes, it's a bug and also exists > in numpy. > > import mxnetas mx > mx.npx.set_np() > a= mx.np.array([1,0]) > a.attach_grad() > with mx.autograd.record(): > b= mx.np.prod(a) > b.backward() > print(a.grad) > > Output: > > |[ 0. nan] | > > — > You are receiving this because you were mentioned. > Reply to this email directly, view it on GitHub > <https://github.com/apache/incubator-mxnet/issues/18078#issuecomment-614406630>, > or unsubscribe > <https://github.com/notifications/unsubscribe-auth/AO3PCDZ7IXHMQE6L7BMYYDTRM2BMRANCNFSM4MJCT54Q>. >
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