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torch.nn.functional.logsigmoid

torch.nn.functional.logsigmoid(input) Tensor

Applies element-wise LogSigmoid(xi)=log(11+exp(xi))\text{LogSigmoid}(x_i) = \log \left(\frac{1}{1 + \exp(-x_i)}\right)

See LogSigmoid for more details.

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