Christian <[EMAIL PROTECTED]> writes:
> Hi,
>
> when creating an ndarray from a list, how can I force the result to be
> 2d *and* a column vector? So in case I pass a nested list, there will be no
> modification of the shape and when I pass a simple list, it will be
> converted to a 2d column vector. I can only think of a solution using 'if'
> clauses but I suppose there is a more elegant way.
This will always return a column vector, but I'm not sure from you description
if that's what you want (do you want [[1,2,3]] etc. to come out as a
row-vector?)
In [8]: ravel(array([1,2,3]))[:,newaxis]
Out[8]:
array([[1],
[2],
[3]])
'as
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