Hopf Bifurcation Analysis of a New SEIRS Epidemic Model with Nonlinear Incidence Rate and Nonpermanent Immunity

Figure 6

Stable cycles generated by supercritical Hopf bifurcation in , planes and in , respectively, for , , determined by a custom orthogonal collocation on finite elements algorithm. (). Periods: days (); days (). ode113: Adams-Bashforth-Moulton PECE solver of orders 1 to 12 (Matlab).

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