[Numpy-discussion] Utility function to find array items are in ascending order

Keith Goodman kwgoodman@gmail....
Tue Feb 9 09:53:10 CST 2010


On Tue, Feb 9, 2010 at 7:51 AM, Brent Pedersen <bpederse@gmail.com> wrote:
> On Tue, Feb 9, 2010 at 7:42 AM, Vishal Rana <ranavishal@gmail.com> wrote:
>> Hi,
>> Is there any utility function to find if values in the array are in
>> ascending or descending order.
>> Example:
>> arr = [1, 2, 4, 6] should return true
>> arr2 = [1, 0, 2, -2] should return false
>> Thanks
>> Vishal
>>
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>>
>
> i dont know if there's a utility function, but i'd use:
>
>  >>> np.all(a[1:] >= a[:-1])

Yes, that's much better than np.diff.


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