Qualitative and Computational Analysis of a Mathematical Model for Tumor-Immune Interactions

Figure 7

The critical 𝑠^⋆1 as a function of 𝑟₂ for several levels of 𝑠₂. For values of 𝑠₁ above the threshold 𝑠^⋆1, the tumor cells do not exist (with 𝛼=0.5556), see Table 1.