Stability Analysis for a Fractional HIV Infection Model with Nonlinear Incidence

Figure 2

The diagrams show the time evolution of the trajectory of system (5) for healthy cells , infected cells , and the CTL , respectively, with respect to and , in condition of . The red lines correspond to in (a), in (b), and in (c) for ; the green lines correspond to in (a), in (b), and in (c) for .

(a) Time evolution of the state variables

(b) Time evolution of the state variables

(c) Time evolution of the state variables