How to find an array with all common elements?

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Hi all,
Suppose I have the following two arrays:
a= [1 1 1 0 1];
b= [1 0 1 1 0];
I want to find an array that contains each element common to both a and b. So, the elements can be repeated and they have to be in order. I will appreciate any help on this. Thanks!

Accepted Answer

Walter Roberson
Walter Roberson on 25 Nov 2022
a= [1 1 1 0 1];
b= [1 0 1 1 0];
a(a == b)
ans = 1×2
1 1

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