- 更多网络例句与差分微分方程相关的网络例句 [注：此内容来源于网络，仅供参考]
-
The main idea of the finite difference method is as follows: We consider the discrete difference equation with the finite alphas as approximate substitution for the differential equation with the continuous variant and boundary conditions.
有限差分方法的基本思想是用离散的，只含有有限个未知数的差分方程去近似代替连续变量的微分方程及边界条件，并把相应的差分方程解作为微分方程的近似解。
-
This main approach is also coincidence degree theory. Moreover, when the time scale T is chosen as the sets of real or integer numbers, the existence of periodic solutions for its differential or difference equation are obtained respectively.
若分别选取时标T为实数集或整数集时，则分别得到它的微分方程或差分方程周期解的存在性，这就避免了对这些生态系统的微分和差分方程周期解的存在性分别进行讨论。
-
To discuss deeply, this article use indirect means to research by difference differential equation, that is: using the Liyapnof function to discuss the time delay stability of one-dimensionality force telepresence system in order to determine the time delay limits which could ensue the system work normal.
为了进一步深入讨论，本文还从差分微分方程入手，采用间接法进行进一步讨论，即：利用李亚普诺夫函数对一维力觉临场感系统的时延稳定性进行讨论，确定保障系统正常工作的时延界限。
-
This article use the improved integral inequalities with the deviate variable and some skills of inequalities as well as related knowledge about second-order differential equation,to obtain the following results: the classification of limit point case or limit circle case and boundedness for second order differential or difference equation with deviative variable,discussed the classification for certain n-order differential equations,Criteria for the classification of second order differential equation with deviative variable.
本文利用推广的具有偏差变元的积分不等式，结合不等式的一些技巧以及常微分方程的相关知识对一类二阶具有偏差变元的微分方程及一类二阶差分方程极限圆型的分类问题作了相关的研究工作，并且讨论了一类n阶具有偏差变元的常微分方程解的平方可积性与有界性和一类二阶非线性具有偏差变元的微分方程解的有界性。
-
In the PFD, both the differentials and non-differential terms in the differential equation are discretized, and the coefficients of the power series are determined by means of eliminating the truncation error of the corresponding modified scheme, then the high accurate difference scheme is obtained.
摄动有限差分方法在微分方程的差分近似中，离散微商项的同时，也离散非微商项，把非微商项摄动展开成网格步长△x的幂级数，并通过提高差分格式相应修正微分方程误差阶的方法求出摄动幂级数系数，从而获得高精度差分格式。
-
The main contents of this course include: the construction, convergence, compatibility and stability of finite difference scheme of elliptic equation, parabolic equation and hyperbolic equation, the construction method and computation format of finite difference scheme of a system of partial differential equations.
本课程主要内容有：椭圆型方程的有限差分格式的构造，有限差分格式的收敛性，相容性及稳定性、抛物型方程的有限差分格式的构造，有限差分格式的收敛性，相容性及稳定性、双曲型方程的有限差分格式的构造，有限差分格式的收敛性，相容性及稳定性、偏微分方程组的有限差分格式的构造方法及有关的计算格式。
-
In this paper, a high order accuracy difference method is presented for solving unsteady convection diffusion equation by using Implicit Perturbation Finite Difference scheme.
本文利用摄动差分思想，对定常对流扩散方程中的空间微商系数进行摄动展开，展开幂级数系数通过消去摄动格式修正微分方程的截断误差项求出，由此获得方程的隐式摄动差分格式，将此方法应用于非定常对流扩散方程，并加以修正，得到该方程的修正隐式摄动差分格式。
-
In this paper, a high order accuracy difference method is presented for solving unsteady convection diffusion equation by using Implicit Perturbation Finite Difference scheme. Firstly, we use the steady convection diffusion equation, the constant coefficients of this equation are expanded to power series of grid-spacings, then the high-order Perturbation Finite Difference scheme is obtained by determining the coefficients of the power series. Put this scheme on unsteady convection diffusion equations and modified it, the IPFD scheme is constructed.
本文利用摄动差分思想，对定常对流扩散方程中的空间微商系数进行摄动展开，展开幂级数系数通过消去摄动格式修正微分方程的截断误差项求出，由此获得方程的隐式摄动差分格式，将此方法应用于非定常对流扩散方程，并加以修正，得到该方程的修正隐式摄动差分格式。
-
Based on the given results of second order boundary value problem, the existence of solutions of nonlinear differential-difference equation and unique of solutions of Hammerstein type integro-differential-difference linear equation were established because Hammerstein linear equation featured only one solution.
以二阶边值问题的已知结果为基础，建立了微分差分非线性方程解的存在性，以及Hammerstein型线性方程解的唯一性。
-
Main contents are as follows :In chapter one, we give a survey to the development and current state of the oscillation of differential equations and difference equations. We also introduce some preliminary material , including some basic concepts of the oscillation theory and some important fixed point theorems.In chapter two, we investigate the oscillation of second order self-conjugate differential equation with impulses.
本文由五章组成，主要内容如下：第一章概述了微分方程及差分方程的应用背景和国内、外研究状况，这一章也包括一些预备知识，如有关微分方程、差分方程理论的基本概念和重要的不动点定理。
- 更多网络解释与差分微分方程相关的网络解释 [注：此内容来源于网络，仅供参考]
-
difference boundary value problem：差分边值问题
difference 差 | difference boundary value problem 差分边值问题 | difference differential equation 差分微分方程
-
difference differential equation：差分微分方程
dielectric strain 电介质应变 | difference differential equation 差分微分方程 | difference equation 差分方程
-
difference differential equation：微分差分方程,差微分方程=>差分微分方程式
difference voltmeter 差值电压表 | difference-differential equation 微分差分方程,差微分方程=>差分微分方程式 | difference-differentialequation 差分微分方程
-
ordinary difference differential equation：常差分微分方程
ordinary carbon steel 普通碳钢 | ordinary difference differential equation 常差分微分方程 | ordinary difference equation 常差分方程
-
differential difference equation：差分微分方程
differential curve 微分曲线 | differential difference equation 差分微分方程 | differential equation 微分方程
-
differential difference equation：微分-差分方程
differential diagnosis 鉴别诊断 | differential-difference equation 微分-差分方程 | differential dilatometry 差示热膨胀法
-
ordinary difference equation：常差分方程
ordinary difference differential equation 常差分微分方程 | ordinary difference equation 常差分方程 | ordinary differential equation 常微分方程
-
differential curve：微分曲线
differential cross section 微分截面 | differential curve 微分曲线 | differential difference equation 差分微分方程
-
linear differential equation：线性微分方程=>線形微分方程式
linear difference equation 线性差分方程 | linear differential equation 线性微分方程=>線形微分方程式 | linear differential equation of high order 高阶线性微分方程
-
symmetric ordinary differential operator：对称常微分算子
差分微分方程:Difference-differential equations | 对称常微分算子:symmetric ordinary differential operator | 微分方程系统:the system of ordinary differential equation