研究二维非线性延迟抛物型微分方程交替方向差分方法。
The alternating direction difference method for the two-dimensional nonlinear delay parabolic differential equation is given.
该模型的数学形式是一个非线性二阶常微分方程，利用有限差分方法进行求解。
The mathematical expression of this model is a second order non linear ordinary difference equation.
采用双参数地基模型来改进温克尔地基模型，并用有限差分的方法求解任意荷载下条基的微分方程，得到便于工程计算的线性方程组。
Take double parameters foundation model to improve Winkler model, and use finite difference method to resolve linear basis under columns and get linear equations which could be easily used in works.
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 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 made use of oscillations of delay differential equation and difference equation, established oscillation criteria for nonlinear difference equation with continuous argument.
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