Re: Summing elements in an array

[Jaroslav Hajek]

On Thu, Jul 15, 2010 at 11:47 AM, dirac <address@hidden> wrote:
>
> Hi,
>
> I am wanting to sum the first 1000 elements in a matrix I have defined.
> Initially I want to perform it on one column, but then move to performing
> the calculation over all 20 columns. Is there a way to do this as I am
> having great difficulty using for loops for this.
>

help sum


> Another question is if three nested for loops for analyzing a 210000 element
> array is going to be slow...
>

INSUFFICIENT DATA FOR A MEANINGFUL ANSWER (I. Asimov).


> Thanks in advance.
>
> Martin
>
> -----
> Converting myself from Excel to Octave for reasons I hope to find out.
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-- 
RNDr. Jaroslav Hajek, PhD
computing expert & GNU Octave developer
Aeronautical Research and Test Institute (VZLU)
Prague, Czech Republic
url: www.highegg.matfyz.cz