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| From | Peter Otten <__peter__@web.de> |
| Subject | Re: numpy array operation |
| Date | Tue, 29 Jan 2013 10:28:02 +0100 |
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C. Ng wrote:
> Is there a numpy operation that does the following to the array?
>
> 1 2 ==> 4 3
> 3 4 2 1
How about
>>> a
array([[1, 2],
[3, 4]])
>>> a[::-1].transpose()[::-1].transpose()
array([[4, 3],
[2, 1]])
Or did you mean
>>> a.reshape((4,))[::-1].reshape((2,2))
array([[4, 3],
[2, 1]])
Or even
>>> -a + 5
array([[4, 3],
[2, 1]])
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numpy array operation "C. Ng" <ngcbmy@gmail.com> - 2013-01-29 00:41 -0800
Re: numpy array operation Peter Otten <__peter__@web.de> - 2013-01-29 10:28 +0100
Re: numpy array operation Tim Williams <tjandacw@cox.net> - 2013-01-29 04:59 -0800
Re: numpy array operation Alok Singhal <as8ca@virginia.edu> - 2013-01-29 18:49 +0000
Re: numpy array operation Terry Reedy <tjreedy@udel.edu> - 2013-01-29 15:05 -0500
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