[Numpy-discussion] Syntax equivalent for np.array()

Angus McMorland amcmorl@gmail....
Wed Feb 10 10:06:24 CST 2010


On 10 February 2010 11:02, Gökhan Sever <gokhansever@gmail.com> wrote:
> Hi,
>
> Simple question:
>
> I[4]: a = np.arange(10)
>
> I[5]: b = np.array(5)
>
> I[8]: a*b.cumsum()
> O[8]: array([ 0,  5, 10, 15, 20, 25, 30, 35, 40, 45])
>
> I[9]: np.array(a*b).cumsum()
> O[9]: array([  0,   5,  15,  30,  50,  75, 105, 140, 180, 225])
>
> Is there a syntactic equivalent for the I[9] --for instance instead of using
> "list" keyword I use [ ] while creating a list. Is there a shortcut for
> np.array instead of writing np.array(a*b) explicitly?

How about just (a*b).cumsum() ?

Angus.
-- 
AJC McMorland
Post-doctoral research fellow
Neurobiology, University of Pittsburgh


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