Periodic Solution of Prey-Predator Model with Beddington-DeAngelis Functional Response and Impulsive State Feedback Control

Figure 13

The phase portraits of system (1.3) with 𝑥₀=0.72, 𝑦₀=0.114, 𝑝=0.4, 𝜄=0.62, and different 𝑞: (a) 𝑞=0.9; (b) 𝑞=0.6; (c) 𝑞=0.2.

(a)

(b)

(c)