[GitHub] [incubator-mxnet] sxjscience edited a comment on issue #19722: [RFC + BUG?] Implementation of Categorical distribution

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sxjscience edited a comment on issue #19722:
URL: https://github.com/apache/incubator-mxnet/issues/19722#issuecomment-751855108


   I think shifting by `logsumexp` is reasonable. When the inputs are already from log_softmax, `logsumexp(x)` will be 0 so the behavior is the same as the current version. Basically, `logsumexp(log_softmax(x)) == 0`


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