equal of some arrays two vector

in part of my program there are two equal size vector i want to write a loop that find arrays that equal with each other and these arrays must be use go on,help me?

Answer 1

[Azzi Abdelmalek]

a=[1;2;3;4;6];
b=[0;2;3;5;6]
idx=find(a==b)

[mohammad azsad]

thanks so much