differential equations的例句大全

Differential equations with a small parameter e multiplying the highest order derivative terms are said to be singularly perturbed and normally boundary layers occur in their solutions.

最高阶导数项含有小参数ε的微分方程称为奇异摄动问题，其解存在指数边界层或内部层。

Numerical solution of second order differential equations.

二阶微分方程的数值解.

Such systems in the numerical solution of partial differential equations are quite common when.

这种系统在数值求解偏微分方程时相当常见.

A Parallel Algorithm for Solving Inverse Problem of Partial Differential Equations

一种解偏微分方程逆问题的并行算法

In mathematical analysis, an integral transform useful in solving certain types of partial differential equations.

数学分析中的一种积分变换,可用来解决特定类型的偏微分方程式.

The method used nonlinear differential equations for the force balance on the spindle and for the liquid flow continuity equation which are solved using Taylor and Laplace transforms.

通过对主轴力平衡条件和液体流量连续性方程的分析，推导出系统的非线性微分方程组，经Taylor和Laplace变换后，建立了系统的数学模型。

Boundary value problems ( BVPs) of functional differential equations ( FDEs) arise frequently in application of optimal control theory and circuit theory.

泛函微分方程边值问题广泛出现在最优控制理论及电路理论的应用之中。

This paper deals with numerical methods and theoretical analysis for delay differential equations ( DDEs).

本论文主要研究延迟微分方程的数值方法，并进行理论分析。

Governing differential equations for the bending response of FGM beams is deduced based on elasticity theory.

基于弹性理论推导了FGM梁弯曲变形的控制方程.

With double-negative metamaterials constructive relation, we deduce the differential equations that describe characters wave in DNG.

由双负介质的本构关系出发,利用时频转换关系, 推导出了描述双负介质中场与流的微分方程组.

Analysis of BDF Method Solving Linear Constant Coefficient Differential Algebraic Equations ′ Stability

BDF方法解常系数微分代数方程的稳定性分析

The analytical method is applied in deriving equations for the displacement, velocity and acceleration of the detaching roller installed in the differential mechanism.

本文采用解析法导出了这种差动机构中拔取罗拉的位移，速度和加速度的方程式。

Flow function and stress expressions constitute the inverse problem of partial differential equations.

考虑流量函数和压力的表达式构成的偏微分方程反问题。

In the last chapter, oscillations of a system of hyperbolic equations are deduced from the corresponding properties of an ordinary differential inequalities by using eigen function and Green formula, etc.

第五章研究了一类脉冲时滞双曲方程组，利用符号函数，特征函数，Green公式等有力工具将其解振动与否转化到讨论一类脉冲微分不等式是否有最终正负解来研究。

This model, based on a perfect group of partial differential equations, taking phase vectors as variables, is educed as a discrete one and, at last, is changed into real physics-space.

该模型从一组相空间中理想的偏微分控制方程出发，用相矢量为变量，导出其离散形式，再通过变换到实际的物理空间，得到最后要的电离层TEC参数的相空间解析预测模型。

In order to avoid finding the exact solution of linear differential equations with variable coefficients, the standard Newton method is modified.

为避免寻找变系数线性微分方程的精确解，文中对原标准牛顿法作了修改。

Exact Multiplicity of Semi-linear Differential Equations' Solutions Involving Concave-convex Functions

含凹凸函数的半线性微分方程解的确切个数

Starting from the exact differential equations of the circular cylindrical thin shells set by W · Flugge, this paper makes a study of the characteristic equation of the open circular cylindrical thin shells deduced by F · Dischinger.

本文直接从弗留盖（W.Flügge）建立的圆柱形薄壳的位移的精确微分方程出发，分析研究了由迪辛盖尔（F.Dischinger）导出的开口圆柱形薄壳的特征方程。

For a nonlinear system of ordinary differential equations, we construct an iterative sequence and prove that the sequence is bounded. Using the sequence, the approximate solution is obtained.

对于非线性微分方程组，构造了一个迭代序列，证明了迭代序列是有界的，利用迭代序列构造近似解的表达形式。

A Numerical Method for Hopf Bifurcation Point in Ordinary Differential Equations

关于常微分方程Hopf分支点的一种数值计算方法