Research Article
Hyperchaotic Oscillation in the Deformed Rikitake Two-Disc Dynamo System Induced by Memory Effect
Figure 3
Phase portraits of system (4) with a = 2, b = 3, c = 5, d = 0.75, and k = 1: (a) x-y plane, (b) y-z plane, and (c) y-φ plane.
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