Fig. 3
Phase portraits of the NJC scheme (1) for various a. (a) x1-x2 chaotic attractor (a = 6), (b) x1-x2 period-10 attractor (a = 79.84), (c) x1-x2 period-5 attractor (a = 10.35), (d) x1-x2 period-3 attractor (a = 11), (e) x1-x2 period-2 attractor (a = 13), and (f) x1-x2 period-1 attractor (a = 17).
