second-order nonlinear equation 非线性二阶方程
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
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
second-order nonlinear differential equation 二阶非线性微分方程
nonlinear second-order equation 非线性二阶方程
second-order nonlinear ordinary differential equation 二阶非线性常微分方程
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。
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。
The nonlinear Schrdinger equation leads to a second order nonlinear difference equation, and we obtain transmission spectrum of wave by iterating the difference equation.
把非线性薛定谔方程转化成二阶差分方程,通过迭代此差分方程得到透射谱。
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