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torch.take

torch.take(input, index) Tensor

Returns a new tensor with the elements of input at the given indices. The input tensor is treated as if it were viewed as a 1-D tensor. The result takes the same shape as the indices.

Parameters:
  • input (Tensor) – the input tensor.

  • index (LongTensor) – the indices into tensor

Example:

>>> src = torch.tensor([[4, 3, 5],
...                     [6, 7, 8]])
>>> torch.take(src, torch.tensor([0, 2, 5]))
tensor([ 4,  5,  8])

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