Anticontrol of Hopf Bifurcation and Control of Chaos for a Finance System through Washout Filters with Time Delay

Figure 5

Trajectories 𝑥(𝑡), 𝑦(𝑡), and 𝑧(𝑡) and phase graphs of system (4) with 𝑎=4, 𝑏=0.1, 𝑐=1, 𝑘=1, 𝑑=1, and 𝜏=2.