查询词典 difference boundary value problem

This paper presents the boundary value problem solved as the biharmonic equation of upper plane and strip domain with Green functional method and it deals with the numerical solution of bihormonic equation, using the Matlab program calculation to realize the visualization of numeric solution.

用Green函数法求解了区域为上半平面和带形区域的双调和泊松方程的边值问题；以及探讨了双调和方程的数值解，并用Matlab编程计算实现了双调和方程数值解的可视化。

It is a boundary value problem described by a third-order nonliear differential equation which is called the Blasius equation.

它是一个由三阶非线性微分方程描述的边值问题，其微分方程称为Blasius方程。

Aluminum electrolysis ; Electrolytic cell ; Boundary value problem ; Electric current field ; Relative electrical parameters.

铝电解；电解槽；边值问题；电流场；相对电参数

The exact form of exterior boundary value problems for plane potential problem is established with variational principle.

使用变分法确立平面 Laplace外问题的确切形式；在此基础上，为了避免使用无限区域上的 Green公式，通过构造紧支集上的无穷可微函数，获得满足非齐次控制微分方程的特解的重要结果。

Furthermore,the existence of unbounded solutions for a second-order boundary value problem in infinite interval are obtained.

sect；3.4在没有。。。更多非线性项非负的假设条件下，解决了一类周期边值问题非平凡解的存在性。

We also have investigated applications of the symmetry method in the boundary value problem of the mechanics equations.

其次我们探讨了对称方法在力学方程边值问题中的应用。

In this paper,the existence of multiple positive solutions for a class of fourth-order p-Laplacian operator singular boundary value problems is discussed by using the fixed point index,and some sufficient conditions are given such that the problem has at least two positive solutions.

利用不动点指数理论研究了一类含 p-Laplace算子的四阶奇异边值问题的多重正解的存在性，给出了至少存在两个正解的条件，改进了不久前其他作者的相关研究。

The higher order multiple point boundary value problem at resonance is studied.

对具有共振的高阶多点边值问题进行研究。

Finally,we discuss the existence of symmetric positive solutions for p-Laplacian two point boundary value problem on time scales.

最后，讨论了测度链上p-拉普拉斯动力方程两点边值问题的正对称解的存在性。

The particle swarm optimization is improved to overcome the difficulty in finding the shooting point of two-point boundary value problem.

针对打靶法中打靶点寻找困难的问题，提出了一种改进的粒子群算法。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。