difference differential equation的意思|示意

Two-point boundary value problems of second order mixed type integro-differential-difference equation is studied by means of differential inequality theories.

基于时滞微分不等式的方法，提出此网络在平衡点的渐近指数稳定的充分条件。

But this partial differential equation can not be directly integral, so usually use Navier method, Rayleigh Ritz method and finite difference method and other methods.

但这一偏微分方程不能直接积分，所以通常用纳维法、瑞利-里兹法、有限差分方法等方法求解。

In this paper we constructed an exponentially fitted difference scheme for singular perturbation problem of hyperbolic-parabolic partial differential equation.

本文对双曲-抛物偏微分方程奇异摄动问题构造了一个指数型拟合差分格式。

This paper made use of oscillations of delay differential equation and difference equation, established oscillation criteria for nonlinear difference equation with continuous argument.

通过时滞微分方程和离散差分方程的振动性，建立了具有连续变量的非线性差分方程的振动性条件。

This paper studies the necessary and sufficient condition of uniformly convergent difference scheme for the elliptic-parabolic partial differential equation with a small parameter.

本文研究小参数椭圆-抛物偏微分方程一致收敛差分格式的充要条件。

By deriving balanced differential equation of buried pipeline, adopt finite difference method to analyze and calculate the effect of axial build-in force on pipeline transversely displacement.

推导出埋地管道的平衡微分方程，采用有限差分法分析并计算了轴向嵌固力对管道横向位移的影响。