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This does not happen to e.g. the Normal distribution. Please note no optimiser is applied here it's just the computation of the gradient of the nll w.r.t. to the parameters done twice. The versions I'm using:
I am trying to learn the parameters of a Weibull distribution, but after the first iteration the gradients turn None:
Output:
This does not happen to e.g. the
Normal
distribution. Please note no optimiser is applied here it's just the computation of the gradient of the nll w.r.t. to the parameters done twice. The versions I'm using:I reproduced this on both a M1 Mac and an Intel Xeon x86_64
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