[Scilab-users] Finding elements occuring once in a matrix

[Stéphane Mottelet]

Hello,

Maybe not optimal, but does the job:

x = [1 1 3
2 1 1
4 5 5];

f = [];
for y=unique(x(:))'
   if length(find(x==y)) == 1
    f = [f y];
   end
end

--> f
  f  =

    2.   3.   4.

S.

Le 05/07/2019 à 18:03, Izabela Wójcik-Grząba a écrit :
> Hello,
>
> Is there a simple way of finding elements of matrix which occurs only 
> once. For example in this matrix it would be 3 and 4:
> [1 1 3
> 2 1 1
> 4 5 5]
>
> For the time being I couldn't find any smart idea for that. Could you 
> help?
>
> Kind regards,
> Iza
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-- 
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