slicing arrays in numpy/scipy

Posted by user248237 on Stack Overflow See other posts from Stack Overflow or by user248237
Published on 2010-04-27T22:59:53Z Indexed on 2010/04/27 23:03 UTC
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python

|

numpy

|

scipy

I have an array like:

a = array([[1,2,3],[3,4,5],[4,5,6]])

what's the most efficient way to slice out a 1x2 array out of this that has only the first two columns of "a"?

I.e.,

array([[2,3],[4,5],[5,6]]) in this case.

thanks.

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