转换机制下具有非线性扰动的随机SIVS传染病模型的定性分析
张仲华,张倩
Qualitative Analysis of a Stochastic SIVS Epidemic Model with Nonlinear Perturbations Under Regime Switching
Zhonghua Zhang,Qian Zhang
图 1
系统(2.3)的初值为
$ (0.8, 0.9, 1.5) $
的解曲线,
$ S(t), I(t), V(t) $
呈周期性波动