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

Table 1

Periodic oscillations in system (4) under different parameters of a.

Cases	Parameter a	Lyapunov exponents	Solution type of system (4)
A	a = 3.2	0.0002 −0.0665 −0.9399 −4.4432	Symmetric attractor
B	a = 5.8	0.1214 0.0000 −0.3017 −7.8699	Symmetric attractor
C	a = 7	0.0005 −0.1337 −0.5036 −8.6132	Asymmetric attractor
D	a = 8.5	0.0000 −0.4863 −0.7792 −9.4844	Asymmetric attractor
E	a = 9	0.0014 −0.5440 −0.8858 −9.8216	Asymmetric attractor
F	a = 9.8	0.0006 −0.2361 −0.7574 −11.0571	Asymmetric attractor