Propagation Behavior of Virus Codes in the Situation That Infected Computers Are Connected to the Internet with Positive Probability

<table>Phase portrait for the system given in Example <a href="https://static.hindawi.com/articles/ddns/volume-2012/693695/figures/#ex4">3.11</a>.</table>

Discrete Dynamics in Nature and Society

fig4

Figure 4

Figure 4: Propagation Behavior of Virus Codes in the Situation That Infected Computers Are Connected to the Internet with Positive Probability 