[Scilab-users] any suggestion to make my Scilab code faster would be welcome:

[Heinz Nabielek]

Yes- factor 10. Great many thanks for all the help.
Heinz

> On 16.05.2018, at 08:40, kjubo <kopac.jakub at gmail.com> wrote:
> 
> Hello,
> 
> d = zeros(n,1);
> for ii=1:n;
> //    SqDist   = (X-X(i))^2 + (Y-Y(i))^2 + (Z-Z(i))^2;
>    SqDist   = (X-X(ii)).*(X-X(ii)) + (Y-Y(ii)).*(Y-Y(ii)) +
> (Z-Z(ii)).*(Z-Z(ii));
>    SqDist(ii)= [];
>    d(ii)    = sqrt(min(SqDist));
> end; 
> 
> some comments:
> * preallocate matrix
> * avoid unnecessary assign of variables (this slow down scilab more than
> expected)
> * as seen in previous meesages here, use X*X instead of X^2
> 
> for me speed up factor is ~10
> 
> Regards.