second order nonlinear differential equation 二阶非线性微分方程
second order nonlinear difference equation 二阶非线性差分方程
second-order nonlinear difference equation 二阶非线性差分方程
nonlinear second order differential equation 二阶非线性微分方程
second-order nonlinear equation 非线性二阶方程
second order nonlinear equation 二阶非线性方程
second order nonlinear elliptic equation 非线性椭圆型偏微分方程
second order nonlinear hyperbolic equation 二阶非线性双曲型方程
nonlinear second-order ordinary differential equation 非线性二阶常微分方程
Established a linearized oscillation result of the second order nonlinear neutral delay differential equation with positive and negative coefficients.
建立了二阶具正负系数的非线性中立型微分方程的一个线性化振动性结果。
This thesis mainly studies the problem of the boundary value of second-order and third-order nonlinear and linear difference equation.
本篇硕士论文主要研究了一般形式的二阶和三阶非线性和线性差分方程的边值问题。
The two conditions of the second order nonlinear differential equation with variable coefficient are given and expounded with examples.
对二阶变系数非线性微分方程的常系数化给出两个使其可积的条件，并举例论证。
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