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torch.isnan#

torch.isnan(input) Tensor#

Returns a new tensor with boolean elements representing if each element of input is NaN or not. Complex values are considered NaN when either their real and/or imaginary part is NaN.

Parameters

input (Tensor) – the input tensor.

Returns

A boolean tensor that is True where input is NaN and False elsewhere

Example:

>>> torch.isnan(torch.tensor([1, float('nan'), 2]))
tensor([False, True, False])