Research Article
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].