Use the method of boundary layer functions to study the singularly perturbed boundaryvalueproblem for a kind of third order nonlinear differential equations.
利用边界层函数法研究了一类非线性三阶微分方程的奇摄动边值问题。
2
This dissertation is to discuss the laws of fluids in porous medium for original boundaryvalueproblem of some quasi-linear parabolic equations with the third type nonlinear boundary condition.
本文讨论描述流体在稀疏介质中流动规律的一类拟线性抛物型方程具有第三类非线性边界条件的初边值问题。
3
This thesis mainly studies the problem of the boundaryvalue of second-order and third-order nonlinear and linear difference equation.