252487.fig.001a
(a) and
252487.fig.001b
(b) and
252487.fig.001c
(c) and
252487.fig.001d
(d) and
Figure 1: Comparison of the corresponding variables in the controlled hyperchaotic Rössler system and its reference system: (a) and ; (b) and ; (c) and ; (d) and .