Dynamic Analysis of a Fractional-Order Model for Hepatitis B Virus with Holling II Functional Response

Figure 2

Dynamics of system (3) for different values of , which shows that the disease-free equilibrium is unstable when , where . The initial conditions of (a) and (b) are as follows: [ 0 400]; the initial conditions of (c) and (d) are as follows: [ 0 300].

(a) u₁=u₂=0, α=0.95

(b) u₁=u₂=0, α=0.95

(c) u₁=u₂=0, α=0.95

(d) u₁=u₂=0, α=0.95