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Re: numpy arrays

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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
-- 
Sent from Kaiten Mail. Please excuse my brevity.

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Thread

numpy arrays Heli <hemla21@gmail.com> - 2016-03-23 03:06 -0700
  Re: numpy arrays Steven D'Aprano <steve@pearwood.info> - 2016-03-23 21:32 +1100
  Re: numpy arrays Chris Angelico <rosuav@gmail.com> - 2016-03-23 21:35 +1100
    Re: numpy arrays Nobody <nobody@nowhere.invalid> - 2016-03-23 13:45 +0000
      Re: numpy arrays Heli <hemla21@gmail.com> - 2016-04-06 09:26 -0700
        Re: numpy arrays Heli <hemla21@gmail.com> - 2016-04-07 07:31 -0700
          Re: numpy arrays Heli <hemla21@gmail.com> - 2016-04-11 02:17 -0700
          Re: numpy arrays Heli <hemla21@gmail.com> - 2016-04-11 02:32 -0700
  Re: numpy arrays Manolo Martínez <manolo@austrohungaro.com> - 2016-03-23 11:26 +0100
  Re: numpy arrays Heli <hemla21@gmail.com> - 2016-03-23 03:47 -0700
  Re: numpy arrays Simon Ward <simon+python@bleah.co.uk> - 2016-03-23 10:47 +0000

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