[Xerte] Re: sum part of array?

[Julian Tenney]

The first n numbers, or the numbers between n and m?

From: xerte-bounces at lists.nottingham.ac.uk [mailto:xerte-bounces at lists.nottingham.ac.uk] On Behalf Of Dave Burnett
Sent: 26 July 2011 16:12
To: Xerte list
Subject: [Xerte] Re: sum part of array?



Legpuller.


Besides using the evil eval, how does it limit the indexes it acts on?





> Date: Tue, 26 Jul 2011 15:29:49 +0100
> From: patrick.lockley at googlemail.com
> To: xerte at lists.nottingham.ac.uk
> Subject: [Xerte] Re: sum part of array?
>
> eval(array.join("+")) ?
>
> On Tue, Jul 26, 2011 at 2:50 PM, Dave Burnett <d_b_burnett at hotmail.com> wrote:
> >
> >
> > Just out of curiosity, is there any way to sum part of an array?
> >
> >
> > [1,2,3,4,5]
> >
> >
> > Lets say I have an index variable and I always will want to sum from 0 to
> > that variable.
> >
> >
> > pseudo
> > my_array.sum(0,var);
> >
> >
> > Or am I forced to loop + add?
> >
> >
> > Or any elegant way to create a temp array of the target elements and sum on
> > that instead?
> >
> >
> > Dave
> >
> >
> >
> >
> >
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