Research Article

Fractional-Order Hidden Attractor Based on the Extended Liu System

Figure 5

Lyapunov exponents of system (4) with a = 10, b = 40, c = 2.5, k = 1, h = 4,  = 5, d = 20, and m = 1; X (0) = (2.2, 2.4, 0.8, 0): (a) with TSam = 0.02 and (b) with TSam = 0.03.
(a)
(b)