Fractional-Order Hidden Attractor Based on the Extended Liu System

Figure 1

The chaotic system with line equilibrium points for a = 10, b = 40, c = 2.5, k = 1, h = 4,  = 5, d = 20, and m = 20; X (0) = (2.2, 2.4, 0.8, 0): (a) in the x-y-z space, (b) on the x-y plane, (c) on the x-z plane, (d) on the y-z plane, and (e) on the x- plane.

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