variable coefficient KP equation
variable coefficient generalized KdV equation
variable coefficient generalized Kadomtsev_Petviashvili equation
变系数广义Kadomtsev-Petviashvili方程
kp crop-pan coefficient
generalized coefficient
revise coefficient equation
nonlinear equation with variable coefficient
the variable coefficient
generalized variable coefficient Burgers equation
variable coefficient model
variable coefficient Kdv equation
generalized variable strain
heat conduction equation with variable coefficient
Riccati equation with variable coefficient
generalized relative coefficient
generalized coefficient correlation
generalized correlation coefficient