595360.fig.004a
(a) The synchrony state 𝑥 𝑖 ( 1 𝑖 5 0 ) .
595360.fig.004b
(b) The synchrony states 𝑦 𝑗 ( 1 𝑗 3 0 ) .
595360.fig.004c
(c) The estimation of coupling strength 𝑑 1 .
595360.fig.004d
(d) The estimation of coupling strength 𝑑 2 .
Figure 4: Cluster synchronization of the adaptively coupled network (3.6) with 50 lorenz oscillators in the 𝑥 -cluster and 30 hyperchaotic Lü oscillators in the 𝑦 -cluster.