[Numpy-discussion] Re: inconsistent use of axis= keyword argument?
Robert Kern
robert.kern at gmail.com
Fri Feb 24 18:33:41 EST 2006
Nils Wagner wrote:
> Robert Kern wrote:
>
>>Vidar Gundersen wrote:
>>
>>
>>
>>>and i also wonder why concatenate can't be used to stack 1-d
>>>arrays on top of each other, returning a 2-d array?
>>>
>>
>>Use vstack() for that. Also note its companions, hstack() and column_stack().
>>
>>
>
>
> Hi Robert,
>
> Is it possible to use aliases for these operators ?
>
> In textbooks (Matrix Algebra by Abadir and Magnus, Cambridge University
> Press (2005)) you will find
>
> The vec-operator transforms a matrix into a vector by stacking its
> columns one underneath the other.
Ask on the list, not private email.
--
Robert Kern
robert.kern at gmail.com
"In the fields of hell where the grass grows high
Are the graves of dreams allowed to die."
-- Richard Harter
--_===36437881====uni-stuttgart.de===_--
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