Research Article

Chaos in a Tumor Growth Model with Delayed Responses of the Immune System

Figure 4

(a) Time series solution of the model (2.4) for 𝑇 = 2 6 . (b) Corresponding chaotic attractor in the phase space. (c) Sensitivity of solution to initial conditions: 𝑥 2 = 1 . 0 , 𝑥 3 = 1 . 0 for both types of curves but 𝑥 1 = 1 . 0 for solid curve and 𝑥 1 = 0 . 9 9 for dashed curve.
891095.fig.004a
(a)
891095.fig.004b
(b)
891095.fig.004c
(c)