Figure 3From: Long time behavior of a tumor-immune system competition model perturbed by environmental noise Solutions of the stochastic model ( 4 ) for \(\pmb{\omega =0.15}\) , \(\pmb{\delta =35}\) , \(\pmb{\alpha =3.02}\) , \(\pmb{\beta =0.002}\) , step size \(\pmb{\Delta t=0.006}\) , \(\pmb{\sigma =0.04}\) and initial value \(\pmb{(x(0),y(0))=(1.5,25)}\) . (a) Is with \(\varepsilon =83\); (b) is with \(\varepsilon =100\).Back to article page