[Numpy-discussion] reverse cumsum?

Alan G Isaac aisaac@american....
Tue Jul 6 09:02:57 CDT 2010


On 7/6/2010 9:56 AM, Ken Basye wrote:
> Is there a simple way to get a cumsum in reverse order?

>>> x = np.arange(10)
>>> x[::-1].cumsum()[::-1]
array([45, 45, 44, 42, 39, 35, 30, 24, 17,  9])

Is that what you want?

Alan Isaac



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