查询词典 variational equation

The results on existence and uniqueness of solution for the problem (1)-(3) are obtained by using of a variational method and an integral equation approach respectively.

还研究了特殊情形时的洞穴重构问题，给出了重构洞穴边界的正则化Newton方法，不仅对此做了理论分析而且成功的进行了数值模拟。

The approximation of meshless methods, the selection of weight function, the variational form and the discrete equation, and the numerical implementation are described.

描述了无网格法的近似方案、权函数的选择、变分形式和离散方程以及数值求解的实现。

Key words: applied mathematics; forth-order difference equation; discrete variational principles; periodic solution

关键 词：应用数学；四阶差分方程；临界点理论；周期解

image processing ; partial differential equation ; variational principle ; level set

源于变分原理的偏微分方程方法，是将所研究的图像处理问题归结

By using variational method to the non-paraxial equation, four coupled equations for beam parameters governing the propagation properties are obtained.

根据非傍轴效应总是小量的特性，结合得出的耦合方程，得到非傍轴迭代方程。

Use Maltab variational parameters lorenz equation...

利用Maltab求解变参数lorenz方程，在非线性动力学和混沌研究中经常遇到类似的问题。

Making use of field matching method,combining with the variational method,the dispersion equation of the ridge loaded ring plane slow wave structure and small signal gain of this type of TWT are presented in this paper.

脊加载环板行波管是一种频带相对较宽的大功率行波管，本文用场匹配和变分原理相结合的方法，研究了脊加载环板慢波结构的导波特性及这种行波管的小信号、大信号特性，讨论了结构的几何尺寸及电子注参量对慢波的传播特性、小信号增益及注波互作用非线性效应的影响。

The author has founded mathematical method of optical design for flow type basing on the turbomachinery rule equation and classical variational principle.

作者从叶片机械的欧拉方程出发，运用经典变分原理，建立了风扇流型优化设计的数学模型，解决了风扇扭曲规律优化设计这一难题。

To increase effective resolution of a tilting mode satellite image, we present a novel variational partial differential equation restoration method, which employs the gradient fidelity term to compensate high frequency information.

利用梯度保真项具有补偿高频信息的能力，提出一种变分偏微分方程复原方法，用于提高斜模式遥感图像的有效分辨率。

This paper deals with the existence and multiplicity for one elliptic problems with p-Laplacian and an asymptotic linear equation by variational methods, especially the Mountain pass Lemma.

本文主要利用变分法，特别是山路引理研究了一类P阶Laplace方程和渐近线性椭圆方程解的存在性及多解性。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。