how to extract different values/elements of matrix or vector without repeating?

Hello,

I have a vector/ or it could be array : A = [1,2,3,4,5,1,2,3,4,5,1,2,3] I want to extract existing different values/elements from this vector without repeating: 1,2,3,4,5 B= [1,2,3,4,5]

How can I extract it ?

I would appreciate for any help please

Answer 1

[Stephen23]

>> A = [1,2,3,4,5,1,2,3,4,5,1,2,3];
>> unique(A)
ans =
   1   2   3   4   5

[agatte]

Thanks :) Perfect !