[Numpy-discussion] 1D array sorting ascending and descending by fields

Patrick Redmond plredmond@gmail....
Tue Jun 5 09:26:37 CDT 2012


On Mon, Jun 4, 2012 at 6:08 PM, Chris Barker <chris.barker@noaa.gov> wrote:
> could you multiply the numeric field by -1, sort, then put it back
>
Yeah, that works great for my situation. Thanks Chris!

On Mon, Jun 4, 2012 at 8:17 PM, Benjamin Root <ben.root@ou.edu> wrote:
> While that may work for this users case, that would not work for all dtypes.
> Some, such as timedelta, datetime and strings would not be able to be
> multiplied by a number.
>
This is the reason why I thought there might be such a feature.

> Would be an interesting feature to add, but I am not certain if the negative
> sign notation would be best. Is it possible for a named field to start with
> a negative sign?
>
I'm not sure about what is allowable in names, but I would be
interested in getting involved with the NumPy project by helping to
add this feature. I'll check out the contributing doc.


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