Akm = {{1, 0, A(1,0)} , 
       {3, 0, A(3,0)} , 
       {5, 0, A(5,0)} , 
       {5,-4, A(5,4) + (-I)*(B(5,4))} , 
       {5, 4, A(5,4) + (I)*(B(5,4))} }