boundary value
边值;[数] 边界值
2025-06-26 02:25 浏览次数 3
边值;[数] 边界值
boundary-value problem边界值问题
boundary parameter value[计]
neumann boundary-value第二类边值
boundary-value method边界值分析法
boundary y value边界值
boundary initial value problem边值问题
boundary y value problem边值问题
constant boundary-value常边值
The boundary value problem of elasticity equation is very important in both theoretical field and engineering techniques.
弹性方程的边值问题,无论是在理论上,还是在工程技术上都是很重要的问题。
The full transformation method is used in element-free Galerkin method for solving the elliptic boundary value problems.
采用完全变换法施加本质边界条件,给出求解椭圆型边值问题的无网格伽辽金方法。
The boundary value problem of ordinary differential equations is an important domain in differential equations.
常微分方程的边值问题是微分方程的一个重要研究领域。
Study the initial boundary value problem of semilinear pseudoparabolic equations.
研究一类半线性拟抛物方程的初边值问题。
Fristly the boundary value problems for the equations is formulated, and then by using the compactness principle, the existence of solutions for the above problems is proved.
先给出这些问题的提法,然后使用列紧性原理和极值原理证明了上述二阶椭圆型方程边值解的存在性和唯一性。
Using the uniqueness theorem for boundary value problem of steady magnetic field and Weierstrass theorem, the unique choice of image electric current is discussed.
利用稳恒磁场边值问题解答的唯一性定理和维尔斯特拉斯定理讨论了镜象电流选择的唯一性。
It is meaningful to study solutions to closed boundary value problems for equations of mixed type, which is closely related to physical phenomena.
混合型方程的封闭边界值问题的解的研究是很有意义的,它与物理现象紧密联系在一起。
Boundary functions are successfully constructed through finding out invariant manifolds at both end boundary layers and giving out decoupling conditions of boundary value conditions.
通过找出两端边界层的不变流形,并且给出边值条件解耦的条件,成功构造了边界层函数。
In part II, by the same way, we consider first-order impulsive differential equations with integral boundary value problems.
在第二部分中,同样的方法,我们讨论了一阶脉沖微分方程积分边值问题。
In this paper we give a criterion of uniqueness of solutions to two-point boundary value problem: moreover, we obtain a class of existence uniqueness theorems of solutions.
本文给出了两点边值问题的解具有唯一性的一个判别法则,并在此基础上给出一类解的存在唯一性定理。
Secondly, we also introduce the development of multi-point boundary value problems of differential equations.
其次我们介绍了多点微分方程边值问题的起源与发展。
Solves the problem of boundary value on an annular crack by using the nonlocal stress solution of an axisymmetric crack problem and approximative method of series expansion.
利用已得到的三维轴对称问题的非局部弹性应力的解,采用级数近似展开的方法,求解环状裂纹的边值问题。
We had used height anomaly to solve the mixed boundary value problem by measuring the value of gravity of standpoint, level coordinate and height.
传统的作业方法是通过测量地球表面固定点的重力值、水平坐标和高程得到重力异常来求解混合边值问题。
This paper presents mechanical quadrature methods for solving the boundary integral equations of nonlinear boundary value problems.
本文提出了解非线性边值问题的边界积分方程的高精度机械求积法。
Some finite iterative result of the two-point boundary value problem sequence is taken as a suboptimal control law of the system.
从而将两点边值问题解序列的有限次迭代结果作为系统的次优控制律。
By using the contraction mapping principle, the boundary value problems for a second order functional difference equation are investigated.
利用压缩映照定理,研究了一个二阶泛函差分方程边值问题,得到存在和唯一性定理。
But there are some more or less 「good」 numerical ways to solve boundary value problems.
但是仍有或多或少的一些「好」的数值方法来解决边值问题。
Aim To study a class of boundary value problem of hyperbolic partial functional differential equations with continuous deviating arguments.
目的研究一类具有连续偏差变元的双曲偏泛函微分方程边值问题解的振动性。
This class of boundary value problems arises from the investigation for flow of sticky liquid and possesses wide application in liquid mechanics.
这一类边值问题来源于粘性液体流动的研究,在流体力学中具有广泛的应用。
This thesis mainly studies the problem of the boundary value of second-order and third-order nonlinear and linear difference equation.
本篇硕士论文主要研究了一般形式的二阶和三阶非线性和线性差分方程的边值问题。
By some abstract results of operator equation, the fourth order singular boundary value problem was discussed.
利用算子方程的一些抽象结果来讨论四阶奇异边值问题。
The ordinary differential equation singular boundary value problem is one of the most important branches of ordinary differential equations.
常微分方程边值问题是常微分方程理论研究中最为重要的课题之一。
In this paper, the finite double Fourier transforms were applied to solve the nonhomogeneous boundary value problems of the wave, heat conduction, Laplace and Poisson equations.
本文用有限的二重傅里叶变换解波动方程,热传导方程,拉普拉斯方程以及泊松方程的非齐次边值问题。
Firstly, based on simplified dynamics of lunar soft landing, an explicit guidance law was induced by solving the special two-point boundary value problem.
首先,基于简化的软着陆动力学模型,通过求解特殊两点边值问题,给出了一种实时显式制导方法。
This paper analyzes the quasi static current field boundary value problem in inhomogeneous media with a borehole.
在这篇文章中,分析了一个具有井眼的非均匀介质中似稳电流场的边值问题。
This is called a boundary value problem.
这是调用一个边界值的问题。
By using a new three-solution theorem, we obtain the existence and multiplicity of positive solutions for fourth-order boundary value problem.
讨论了四阶边值问题,通过应用一个新的三解定理,得到了其解的存在性与多重性。