Figure 2

The solution \(F_{5}(t,x,y)\) of (1) with \(k_{1}=1,k_{2}=1,l_{1}=1,l_{2}=1,\Omega _{1}=1,\Omega _{2}=1,\Omega _{3}=-1,\Omega _{4}=\frac{1}{2},w=\frac{1}{2},v=-3\).

The solution \(F_{5}(t,x,y)\) of (1) with \(k_{1}=1,k_{2}=1,l_{1}=1,l_{2}=1,\Omega _{1}=1,\Omega _{2}=1,\Omega _{3}=-1,\Omega _{4}=\frac{1}{2},w=\frac{1}{2},v=-3\).