Akm = {{0, 0, A(0,0)} , 
       {2, 0, A(2,0)} , 
       {4, 0, A(4,0)} , 
       {6, 0, A(6,0)} , 
       {6,-5, (I)*(B(6,5))} , 
       {6, 5, (I)*(B(6,5))} }