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

Figure 8

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 for: (a) , (b) , (c) , and (d) .

(a)

(b)

(c)

(d)