[Scilab-users] submatrix issue

[Stéphane Mottelet]

It cannot work since

--> size(k)
  ans  =

    300.   1.


--> length(i)*length(j)
  ans  =

    90000.

i.e. NodesMatrix2(i,j+1) has 90000 elements and resu(k) has 300

S.

Le 01/06/2018 à 11:07, Carrico, Paul a écrit :
>
> Dear all
>
> I’ve a submatrix issue on the following example, and I do not remember 
> (or understand) why : how can I do this ?
>
> (the goal is to extract and to store within a matrix results from an 
> Ascii file)
>
> Thanks for any help
>
> Paul
>
> ###############################################################
>
> mode(0)
>
> clearall
>
> StartNodeLine= 1;
>
> NumberOfNodes= 100;
>
> DimCoordinates= 3;
>
> resu= rand(1000,1);
>
> tic();
>
> NodesMatrix2= zeros(NumberOfNodes,DimCoordinates+1);
>
> i= [1 : NumberOfNodes]'; NodesMatrix2(i,1) = 
> _evstr_(resu(StartNodeLine + (DimCoordinates+2)*(i-1)+2));
>
> i= [1 : NumberOfNodes]'.*.ones(1,DimCoordinates)';
>
> j= ones(1,NumberOfNodes)'.*.[1 : DimCoordinates]';
>
> k= StartNodeLine + (DimCoordinates+2)*(i-1)+3+j;
>
> a= _evstr_(resu(k));
>
> NodesMatrix2(i,j+1)= _evstr_(resu(k)); /// does not work/
>
> ///NodesMatrix2(i,j+1) = 1; // work(basic assignement)/
>
> Duration2= toc()
>
> */EXPORT CONTROL :
> /**Cet email ne contient pas de données techniques
> This email does not contain technical data*
>
>
>
> _______________________________________________
> users mailing list
> users at lists.scilab.org
> https://antispam.utc.fr/proxy/1/c3RlcGhhbmUubW90dGVsZXRAdXRjLmZy/lists.scilab.org/mailman/listinfo/users


-- 
Stéphane Mottelet
Ingénieur de recherche
EA 4297 Transformations Intégrées de la Matière Renouvelable
Département Génie des Procédés Industriels
Sorbonne Universités - Université de Technologie de Compiègne
CS 60319, 60203 Compiègne cedex
Tel : +33(0)344234688
http://www.utc.fr/~mottelet

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.scilab.org/pipermail/users/attachments/20180601/05fb4d2b/attachment.htm>