Akm = {{0, 0, (2/5)*(Eeg) + (3/5)*(Et2g)} , 
       {4, 0, (21/10)*(Eeg + (-1)*(Et2g))} , 
       {4,-4, (3/2)*((sqrt(7/10))*(Eeg + (-1)*(Et2g)))} , 
       {4, 4, (3/2)*((sqrt(7/10))*(Eeg + (-1)*(Et2g)))} }