( n + 1 )-dimensional double sine-Gordon equation

a differential equation

a difference equation of single-species

a coupled systems of second order differential equation

a class of differential equation with four orders

4-D heat equation

Ⅲ class equation

3-T heat conduct equation

3rd order Linear Differential Equation with Variable Coefficients

3-dimensional integral equation

3-dimensional ellipse equation

3-D unsteady convection diffusion equation

3-D seismic wave equation

3D seismic wave equation

3D parabolic equation

3D nonlinear heat equation

3D motion equation

3D electromagnetic field equation

3-D diffusion equation