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Identity

class torch.nn.Identity(*args, **kwargs)[source]

A placeholder identity operator that is argument-insensitive.

Parameters:
  • args (Any) – any argument (unused)

  • kwargs (Any) – any keyword argument (unused)

Shape:
  • Input: ()(*), where * means any number of dimensions.

  • Output: ()(*), same shape as the input.

Examples:

>>> m = nn.Identity(54, unused_argument1=0.1, unused_argument2=False)
>>> input = torch.randn(128, 20)
>>> output = m(input)
>>> print(output.size())
torch.Size([128, 20])

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