(2+1)-dimensional dispersive long wave system with variable coefficient

Amendatory Proportional Navigation with Variable Coefficient

carbonation model with variable coefficient

convection-diffusion equation with variable coeffi

coupled KdV equations with variable coefficient

Gain coefficient variable

generalized variable coefficient Burgers equation

heat conduction equation with variable coefficient

nonlinear equation with variable coefficient

Poisson equation with variable coefficient

Riccati equation with variable coefficient

second order homogeneous linear differential equation with variable coefficient

solution of variable coefficient

state -variable equation

state-variable equation

strength variable coefficient

the variable coefficient

the variable coefficient combined KdV-Burgers equa

time-variable coefficient