Hyperchaotic Oscillation in the Deformed Rikitake Two-Disc Dynamo System Induced by Memory Effect

Figure 2

Phase portraits of system (3) with a = 2, b = 3, c = 5, and d = 0.75: (a) x-y plane, (b) x-z plane, and (c) y-z plane.

(a)

(b)

(c)