Research Article

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

Figure 3

(a) Time series solution of the model (2.4) for 𝑇 = 1 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 (i.e., on the attractor) and 𝑥 1 = 0 . 9 9 for dashed curve.
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891095.fig.003b
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891095.fig.003c
(c)