Hyperchaotic Oscillation in the Deformed Rikitake Two-Disc Dynamo System Induced by Memory Effect
Figure 5
Lyapunov exponent spectra and bifurcation of system (4) with b = 3, c = 5, d = 0.75, and k = 1, and a varies in [2, 10]: (a) Lyapunov exponent spectra: LE1 is blue, LE2 is red, and LE3 is green; (b) bifurcation diagram.