Fig. 1

Phase plots for NJC system (1): (a) \({x_1} - {x_2}\) chaotic attractor, (b) \({x_1} - {x_3}\) chaotic attractor and (c) \({x_2} - {x_3}\) chaotic attractor
Phase plots for NJC system (1): (a) \({x_1} - {x_2}\) chaotic attractor, (b) \({x_1} - {x_3}\) chaotic attractor and (c) \({x_2} - {x_3}\) chaotic attractor