Fig. 5

Visualization of dark bell shape wave of the solution Eq.Ā (12) for specific parametric values \(\epsilon =2, K=1, {a}_{1}=1.5, {a}_{2}=-1, {a}_{3}=-0.2,n=1.5\).
Visualization of dark bell shape wave of the solution Eq.Ā (12) for specific parametric values \(\epsilon =2, K=1, {a}_{1}=1.5, {a}_{2}=-1, {a}_{3}=-0.2,n=1.5\).