Dynamical Model about Rumor Spreading with Medium

Figure 4

The number of each subclass in terms of time under different conditions, where 𝐼(0)=5000000,  𝑆(0)=10,  𝑅(0)=0,  𝑊(0)=0,  𝛽=0.2,  𝛼=0.00001,  𝑑𝐼/𝑑𝑡=−0.000602, and  𝑑𝑊/𝑑𝑡=50.