# mars.tensor.atleast_2d¶

mars.tensor.atleast_2d(*tensors)[source]

View inputs as tensors with at least two dimensions.

Parameters
• tensors1 (array_like) – One or more array-like sequences. Non-tensor inputs are converted to tensors. Tensors that already have two or more dimensions are preserved.

• tensors2 (array_like) – One or more array-like sequences. Non-tensor inputs are converted to tensors. Tensors that already have two or more dimensions are preserved.

• .. (array_like) – One or more array-like sequences. Non-tensor inputs are converted to tensors. Tensors that already have two or more dimensions are preserved.

Returns

res, res2, … – A tensor, or list of tensors, each with a.ndim >= 2. Copies are avoided where possible, and views with two or more dimensions are returned.

Return type

Tensor

Examples

>>> import mars.tensor as mt

>>> mt.atleast_2d(3.0).execute()
array([[ 3.]])

>>> x = mt.arange(3.0)
>>> mt.atleast_2d(x).execute()
array([[ 0.,  1.,  2.]])

>>> mt.atleast_2d(1, [1, 2], [[1, 2]]).execute()
[array([[1]]), array([[1, 2]]), array([[1, 2]])]