torch.repeat_interleave(input, repeats, dim=None) → Tensor
Repeat elements of a tensor.
Parameters
-
input (Tensor) – the input tensor.
-
repeats (Tensor or int) – The number of repetitions for each element. repeats is broadcasted to fit the shape of the given axis.
-
dim (int, optional) – The dimension along which to repeat values. By default, use the flattened input array, and return a flat output array.
Returns
Repeated tensor which has the same shape as input, except along the given axis.
>>> x = torch.tensor([1, 2, 3])
>>> x.repeat_interleave(2)
tensor([1, 1, 2, 2, 3, 3])
>>> y = torch.tensor([[1, 2], [3, 4]])
>>> torch.repeat_interleave(y, 2)
tensor([1, 1, 2, 2, 3, 3, 4, 4])
>>> torch.repeat_interleave(y, 3, dim=1)
tensor([[1, 1, 1, 2, 2, 2],
[3, 3, 3, 4, 4, 4]])
>>> torch.repeat_interleave(y, torch.tensor([1, 2]), dim=0)
tensor([[1, 2],
[3, 4],
[3, 4]])
torch.repeat_interleave(repeats) → Tensor文章来源：https://www.toymoban.com/news/detail-682154.html
If the repeats is tensor([n1, n2, n3, …]), then the output will be tensor([0, 0, …, 1, 1, …, 2, 2, …, …]) where 0 appears n1 times, 1 appears n2 times, 2 appears n3 times, etc.文章来源地址https://www.toymoban.com/news/detail-682154.html
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