查询词典 second boundary value problem

According to the above-mentioned principle, we can transform the series solution of the boundary value problem of Laplace's equation in the wedge, rectangle and semi-infinite strip, sector region into an exact similarity solution with the source type singularity by similarity method.

本文即根据上述之原理，将楔形区域、矩形区域与半无限长条区域以及扇形区域三大类拉普拉斯方程式边界值问题之无穷级数解，化为具有相同数学结构之源型奇性相似精确解。

Then, by using the successive approximation approach ,the optimal control problem is transformed into a sequence of linear two- point-boundary-value problems.

然后利用逐次逼近法将最优控制问题转化为求解一族无时滞的线性两点边值序列问题。

By using the successive approximation approach, the original optimal control problem is transformed into a sequence of nonhomogeneous linear two-point boundary value problems.

利用该算法可将在扰动作用下的非线性系统的最优控制问题转化为求解线性非齐次两点边值序列的问题。

Boundary value problem; global structure; singular; system of ordinary differential equations; positive solution; measure chain

基础科学，数学，数学分析边值问题；全局结构；奇异；常微分方程组；正解；测度链

The initial-boundary value problem of dispersive equation is a kind of mathematical model, in this paper, it has been followed the ways of other scholars and used a new method and got a new difference scheme. It was a three layers ten-point implicit difference schemes.

色散方程的初边值问题是在孤立波这样的物理现象中抽象出来的一类数学模型，在前人构造的众多差分格式的基础上，使用新的构造方法，给出了该问题的三层十，点隐式差分格式。

In this paper, the initial-boundary value problem of a kind of nonlinear fourth-order wave equations with damping and source terms is studied on the base of Beam Equation.

本文在梁方程的基础上研究了一类具有非线性阻尼项和力源项的四阶波动方程的初边值问题。

In addition, the study area can be layered vertically and decomposed horizontally by the properties of the soil and then the inte rfaces of every layer and region are connected by proper physical condition. So the initial and boundary value problem is well posed .

模式模拟时可依土壤之性质将整个模拟区域做垂直方向分层与水平方向分区之处理，计算时层与层之间、区与区之间再以适当之物理连接条件连接，使其构成一适当之问题。

In chapter two, the existence of monotone and non-monotone solutions of boundary value problem on the real line for Lienard equation is studied.

第二章，讨论了Liénard系统无穷边值问题单调解和非单调解的存在性。

The suit upper and lower solution were constructed, and existence and unique of solutions of linear three-point boundary value problem for third order nonlinear differential equation were obtained.

同时，构造适当的上下解，得到了三阶非线性微分方程的三点线性边值问题的解的存在性与惟一性。

In section 2, we study the existence of sign-changing solutions of some three-point boundary value problem by the cone theory and the fixed-point index theory.

本文利用不动点指数定理研究了如下两种二阶微分方程多点边值问题变号解的存在性，同时分别得到了一个正解和一个负解。

What was it that made you want to change sider ?

是什么使你临阵倒戈？

I don't know what he wants, but let's play along with him.

我不知道他要干什么，可我