[Numpy-discussion] indexing question

John Salvatier jsalvati@u.washington....
Mon Nov 22 14:32:45 CST 2010


I think that the only speedup you will get is defining an index only
once and reusing it.

2010/11/22 Ernest Adrogué <eadrogue@gmx.net>:
> 22/11/10 @ 14:04 (-0600), thus spake Robert Kern:
>> > This way, I get the elements (0,1) and (1,1) which is what
>> > I wanted. The question is: is it possible to omit the [0,1]
>> > in the index?
>>
>> No, but you can write generic code for it:
>>
>>   t[np.arange(t.shape[0]), x, y]
>
> Thank you. This is what I wanted to know.
>
> --
> Ernest
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