Hyperchaos Numerical Simulation and Control in a 4D Hyperchaotic System

Figure 4

The Lyapunov exponents with the variety of parameters 𝑎(𝑎∈[1,2.6]) and 𝑏(𝑏∈[12,22]) when the step length is 0.001.

(a) The Lyapunov exponents with the variety of 𝑎, when 𝑏=12,𝑐=5,𝑑=0.06,and𝑒=0.1 

(b) The Lyapunov exponents with the variety of 𝑏, when 𝑎=1,𝑐=5,𝑑=0.06,and𝑒=0.1