[Numpy-discussion] index of minimum of array

Bill Baxter wbaxter@gmail....
Fri Apr 13 17:49:40 CDT 2007


On 4/14/07, Hugo <numpy@hugo.doemaarwat.nl> wrote:
> Bill Baxter wrote:
> > On 4/14/07, Alan Isaac <aisaac@american.edu> wrote:
> >>> On 4/13/07, Tommy Grav <tgrav@mac.com> wrote:
> >>>> how do I find the index of the minimum value of an numpy
> >>>> array?  Example a = array([1.,2.,0.4,3.]) I want the i=2
> >>
> >> Just a reminder that there exist a very useful example list
> >> http://www.scipy.org/Numpy_Example_List#argmin
> >
> > And in addition to examples it has great "See Also" info.  I probably
> > use it more for the See Also than the actual examples.  Sure enough
> > See Also for min() and max() refer to argmin() and argmax().
>
> Perhaps in this particular case it would be nice to have a See Also for 'nan'
>  at argmin() and argmax(), since there is info about nanargmin and nanargmax().

Didn't know about those myself.  I think the nan* functions just
haven't been added to the example list yet (which includes adding
relevant SeeAlso's).   If you use 'em, feel free to go ahead and edit
the page.  It's a wiki after all.

--bb


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