Double compound combination synchronization among eight n-dimensional chaotic systems
Mahmoud Gamal M, Abed-Elhameed Tarek M, Farghaly Ahmed A
       

(color online) Synchronization errors for the four drive systems (21)–(25) and the four response systems (26)–(29): (a) (t, e1) diagram; (b) (t, e2) diagram; (c) (t, e3) diagram; (d) (t, e4) diagram.