[Numpy-discussion] ndarray.T2 for 2D transpose
toddrjen at gmail.com
Tue Apr 5 22:11:14 EDT 2016
When you try to transpose a 1D array, it does nothing. This is the correct
behavior, since it transposing a 1D array is meaningless. However, this
can often lead to unexpected errors since this is rarely what you want.
You can convert the array to 2D, using `np.atleast_2d` or `arr[None]`, but
this makes simple linear algebra computations more difficult.
I propose adding an argument to transpose, perhaps called `expand` or
`expanddim`, which if `True` (it is `False` by default) will force the
array to be at least 2D. A shortcut property, `ndarray.T2`, would be the
same as `ndarray.transpose(True)`.
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