singular equation

In this paper, singular boundary value problems of non-linear equation system on a-line will be considered.

本文主要研究 半 直线上非线性方程组奇异边值问题解的存在性.

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The character of the solution depends on the known function of integral equation, as to the Type ⅰ Fredholm integral equation with logarithm function singular integral kernel.

对于具有对数函数弱奇异性积分核的Fredholm型I类积分方程，解的性质主要取决于方程中已知函数的形式。

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Upper and lower solution method for a singular third-order differential equation

一个奇异三阶微分方程的上下解方法

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Existence and Quenching Phenomenon of Positive Solutions For A Class of Singular Second Order Nonlinear Equation Boundary Value Problems

一类非线性方程奇异边值问题正解存在性及熄灭现象

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The Noether Theorem of the Singular Integral Equation with Convolution Kernel

含卷积核的奇异积分方程的Noether定理

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The surface Helmholtz integral equation dispersed by quadratic iso_parametric element is used as computation equation. Extensive work has been performed to overcome boundary integral equation in acoustic problems, non_uniqueness of solution and singular integral kernels.

以二次等参元离散的表面Helmholtz积分方程作为计算方程，采用一系列数值处理技术，克服了表面Helmholtz积分方程求解声学问题时出现的解的不唯一性和积分函数奇异性。

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Il ′ in Difference Scheme of a Semilinear Singular Perturbation Problem for Ordinary Differential Equation with the Turning Points

具转向点常微分方程半线性奇摄动问题的Il′in格式

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It is seen that [ H] in the BEM equation is a singular matrix. Hence the solution of Neumann problem has an undetermined constant, it is known to be reference potential.

研究表明，边界元方程中[H]矩阵是奇异的，所以Neumann问题的解有个待定常数，这就是通常所谓电位参考点问题。

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A Conditionally Stable BVP of the Singular Perturbation Equation System with some Small Parameters

一类条件稳定的多小参数奇摄动方程组边值问题

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The structure character of system transfer matrices can be used to solve a class of singular H ∞ control problem and a reduced order H ∞ controller can be constructed in explicit form either by linear matrix inequations method or two algebra Riccati equation method.

一类奇异H∞控制问题可以利用系统矩阵的结构特征通过线性矩阵不等式或2代数黎卡提方程方法直接显式构造得到降阶控制器。

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