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From: Simon Ward <simon+python@bleah.co.uk>
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Subject: Re: numpy arrays
Date: Wed, 23 Mar 2016 10:47:47 +0000
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On 23 March 2016 10:06:56 GMT+00:00, Heli <hemla21@gmail.com> wrote:
>Hi, 
>
>I have a 2D numpy array like this:
>
>[[1,2,3,4],
> [1,2,3,4], 
> [1,2,3,4]
> [1,2,3,4]]
>
>Is there any fast way to convert this array to 
>
>[[1,1,1,1],
> [2,2,2,2]
> [3,3,3,3]
> [4,4,4,4]]

Use the transpose() method:
http://docs.scipy.org/doc/numpy-1.10.0/reference/generated/numpy.ndarray.transpose.html

Simon
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