what function can be used like arranging number like that?

What funtion is used for that

Answer 1

[Bruno Luong]

[~,B] = sort(A);
B(B) = 1:length(B)

[Nyam Jargalsaikhan]

Thank you very much

[Rik]

If you get an answer that solves your issue, please consider marking it as accepted answer. That is an easy way to say thank you.