Fig. 13

Dynamical perspective of 3D along its contour plot and 2D plots of solution \(\mathcal {U}_{8}\) with parameters \(\upsilon _1=-3.2,~\upsilon _2=2.9,~a=0.65,~c=2.1,~d=4.8,~\omega =0.4,~r_1=0.5,~r_2=-2.7,~\tau =-1\).

Dynamical perspective of 3D along its contour plot and 2D plots of solution \(\mathcal {U}_{8}\) with parameters \(\upsilon _1=-3.2,~\upsilon _2=2.9,~a=0.65,~c=2.1,~d=4.8,~\omega =0.4,~r_1=0.5,~r_2=-2.7,~\tau =-1\).