Finite-Time Impulsive Control of Financial Risk Dynamic System with Chaotic Characteristics

Figure 7

Typical attractors of system (1) with a = 4, b = 1, and c = 1: (a) d = 0, (b) d = −1, (c) d = −10, (d) d = −12, (e) d = −18, and (f) d = 20.