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 3 系统(2.3)的初值为$ (0.4, 0.3, 0.3) $的解曲线, 此时$ S(t), I(t) $是持久的, $ V(t) $是灭绝的