Chaos in Cancer Tumor Growth Model with Commensurate and Incommensurate Fractional-Order Derivatives

Figure 5

Time behaviors of the three state variables , and (in red, blue, and green color, respectively) along with the corresponding phase portraits in the - plan, when and initial conditions for: (a) , (b) , (c) , (d) , (e) , and (f) .

(a)

(b)

(c)

(d)

(e)

(f)