[Numpy-discussion] build numpy matrix out of smaller matrix

[eat]

Hi,

On Thu, Dec 1, 2011 at 6:52 PM, jonasr <jonas.ruebsam at web.de> wrote:

>
> Hi,
> is there any possibility to define a numpy matrix, via a smaller given
> matrix, i.e. in matlab
> i can do this like
>
> a=[1 2 ; 3 4 ]
>
>
> A=[a a ; a a ]
>
> so that i finally get
>
> A=[ [1,2,1,2]
>      [3,4,3,4]
>      [1,2,1,2]
>      [3,4,3,4]]
>
> i tried different things on numpy which didn't work
> any ideas ?
>
Perhaps something like this:
In []: a= np.array([[1, 2], [3, 4]])
In []: np.c_[[a, a], [a, a]]
Out[]:
array([[[1, 2, 1, 2],
        [3, 4, 3, 4]],
       [[1, 2, 1, 2],
        [3, 4, 3, 4]]])

Regards,
eat

>
> thank you
>
>
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