[Numpy-discussion] Is there a way to reset an accumulate function?

Frédéric Bastien nouiz at nouiz.org
Tue Oct 23 13:19:27 EDT 2012


Why not start conting from the end of the vector until you find a nan?
Your problem do not need to check the full vector.


On Tue, Oct 23, 2012 at 1:11 PM, Cera, Tim <tim at cerazone.net> wrote:
> I have an array that is peppered throughout in random spots with 'nan'.  I
> would like to use 'cumsum', but I want it to reset the accumulation to 0
> whenever a 'nan' is encountered.  Is there a way to do this?  Aside from a
> loop - which is what I am going to setup here in a moment.
> Kindest regards,
> Tim
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