[Numpy-discussion] hstack

Tony Yu tsyu80 at gmail.com
Wed Feb 8 11:35:05 EST 2012


On Wed, Feb 8, 2012 at 11:32 AM, Stephanie Cooke
<cooke.stephanie at gmail.com>wrote:

> Hello,
>
> When I try to use the command hstack, I am given the error message
> "TypeError: hstack() takes exactly 1 argument (2 given)". I have a 9X1
> array (called array) that I would like to concatenate to a 9X2 matrix
> (called matrix), and I try to do this by typing the command
> hstack(array,matrix). I would appreciate any help in getting this to
> work.
>
> Thanks,
>
> Stephanie


Try hstack([array, matrix]). The input needs to be put into a single
sequence (here a list, but tuple, etc. would work too).

Best,
-Tony
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