>> A = [1 2 3; 4 5 6]; >> B = repelem(A, 2, 3) B = 1 1 1 2 2 2 3 3 3 1 1 1 2 2 2 3 3 3 4 4 4 5 5 5 6 6 6 4 4 4 5 5 5 6 6 6