$$\begin{aligned} U_t + \left( a \, U + b \, U^2\right) \, U_z + c \, U_{zzz} + d \left( U_{xx} + U_{yy}\right) _z = 0, \end{aligned}$$ The value of N is obtained by ...
Nonlinear evolution equations (NLEEs) have a wide range of applications in various fields, including physics, engineering, biology, economics, and more. These equations are used to describe complex ...