Asymptotic Behavior Analysis of a Fractional-Order Tumor-Immune Interaction Model with Immunotherapy

Figure 5

Time series of the immune system cells in the fractional-order model (4) with , and the same treatment by an external input of IL-2 into the system . (a) Original drawing (the blue line represents that there is only the treatment by an external input of IL-2 into the system, i.e., , and the red line represents that besides the treatment by an external input of IL-2 into the system, there is also the treatment by an external source of effector cells, i.e., ). (b) Drawing of partial enlargement of 5(a).

(a)

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