Research Article

Nonlinear Pulse Vaccination in an SIR Epidemic Model with Resource Limitation

Figure 5

Coexistence of two stable attractors of model (4). Here ,   ,   , and all other parameter values are given in Table 1. (a and b) The initial value ; (c and d) the initial value .
670263.fig.005a
(a)
670263.fig.005b
(b)
670263.fig.005c
(c)
670263.fig.005d
(d)