Dynamical Properties of a Delay Prey-Predator Model with Disease in the Prey Species Only

Figure 3

Time evolution of all the population for the model (1.4) with 𝜏=5.6 and initial value (50,80,160). (a), (b) and (c) are 𝑆, 𝐼 and 𝑦 versus 𝑡, respectively, and (d) is the projected 𝑆-𝐼-𝑦 phase plane.

(a)

(b)

(c)

(d)