Hyperchaos Numerical Simulation and Control in a 4D Hyperchaotic System

Figure 7

Bifurcation diagram and the Lyapunov exponent when 𝑥=11.28, 𝑦=−11.21, 𝑧=−9, and 𝑤=20.49 and the step length is 0.001.

(a) Bifurcation diagram with the change of 𝑎, when 𝑏=9,𝑐=5,𝑑=0.06,and𝑒=25 

(b) Bifurcation diagram with the change of 𝑏 with the rest fixed parameters

(c) Bifurcation diagram with the change of 𝑐 with the rest fixed parameters

(d) Bifurcation diagram with the change of 𝑑 with the rest fixed parameters

(e) Bifurcation diagram with the change of 𝑒 with the rest fixed parameters

(f) Lyapunov exponent with the change of 𝑎, when 𝑏=9,𝑐=5,𝑑=0.06,and𝑒=25