472072.fig.007
Figure 7: The combined influence of parameters on 𝑅 ; 𝑅 is plotted as a function of 𝑝 and 𝛿 . Here, 𝑘 = 6 , 𝑎 = 1 , 𝑝 𝑜 = 0 . 5 , 𝑑 = 0 . 0 5 .