Find common elements(?) in two arrays

For example,

A=[2 2 2; 0 0 1; 1 2 3], B=[1 2 3; 2 2 2; 2 2 0]

then I want to find the point of common elements between A,B

answer of the point is: (i,j)=(1,2),(3,2)

how can I find points?

Answer 1

[Azzi Abdelmalek]

[ii,jj]=find(A==B)

% you can add

out=[ii jj]

[PJM]

thanks a lot!