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torch.atleast_3d

torch.atleast_3d(*tensors)[source]

Returns a 3-dimensional view of each each input tensor with zero dimensions. Input tensors with three or more dimensions are returned as-is. :param input: :type input: Tensor or list of Tensors

Returns

output (Tensor or tuple of Tensors)

Example

>>> x = torch.tensor(0.5)
>>> x
tensor(0.5000)
>>> torch.atleast_3d(x)
tensor([[[0.5000]]])
>>> y = torch.randn(2,2)
>>> y
tensor([[-0.8079,  0.7460],
        [-1.1647,  1.4734]])
>>> torch.atleast_3d(y)
tensor([[[-0.8079],
        [ 0.7460]],

        [[-1.1647],
        [ 1.4734]]])
>>> x = torch.randn(1,1,1)
>>> x
tensor([[[-1.5689]]])
>>> torch.atleast_3d(x)
tensor([[[-1.5689]]])
>>> x = torch.tensor(0.5)
>>> y = torch.tensor(1.)
>>> torch.atleast_3d((x,y))
(tensor([[[0.5000]]]), tensor([[[1.]]]))

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