Figure 2

The 3D and 2D graphs for the values of \({u}_{3}\) for the values of parameters \({\delta }_{0}=1.909,{\delta }_{1}=0.00209,{\delta }_{2}=10.1,\rho =2.9,\tau =0.8,\chi =0.9,\) and \(y=1.3\).

The 3D and 2D graphs for the values of \({u}_{3}\) for the values of parameters \({\delta }_{0}=1.909,{\delta }_{1}=0.00209,{\delta }_{2}=10.1,\rho =2.9,\tau =0.8,\chi =0.9,\) and \(y=1.3\).