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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