查询词典 mal posed problem

An art of numerical analysis is to find a stable algorithm for solving a well-posed mathematical problem.

一种艺术的数值分析是找到一种稳定算法求解良好的数学问题提出的。

In the fifth chapter, the well-posed problem of the CIS for stabilization and pole assignment of the system are presented and considered.

第五章提出和研究了镇定系统和配置系统极点的一般控制信息结构的适定性问题。

The research in this field mainly focuses on three respects: the application in engineering, numerical analysis and the well-posed property of the given problem.

自由边界问题是偏微分方程研究领域中的一个主要研究方向，有着非常广泛的实际背景，如在流体力学、化学反应过程、金融数学以及物理中的相变问题等研究领域就存在大量的自由边界问题。

With the abstract theory for parabolic differential equations in Banach spaces, the free boundary problem is locally well-posed in little Hlder spaces is proved.

利用Banach空间中抛物方程的抽象理论证明此问题在little Hlder空间是局部适定的。

The construction of the solution space for shallow-water equations on the equatorialβ?plane and the equations about the tropical circulation to heating are mainly studied. The solution method of exact solution in the analytic function class and the computational procedure to the series solution are expressed for the well-posed problem.

平面近似的浅水方程组和热源强迫的热带环流方程组，重点研究了它们的解空间构造，并给出了各种适定的定解问题在解析函数类空间中准确解的具体的求解方法，并编制程序去计算其级数解。

For the posed robust fuzzy optimization model, we first derive its deterministically equivalent form(which is just a nonlinear optimization problem), and then analyze the property of the feasible set of it.

论文摘要：本文考虑了鲁棒最优化问题的不确定参数的模糊性质，从而导出了一种新的最优化问题，本文称之为鲁棒模糊最优化问题。

To the modern time, Hume posed the problem of causality. Carnap tried to define causality from the angle of semantics.

近代，休谟提出了因果性批判；卡尔纳普试图从语义学角度来定义因果必然性。

In Chapter 1, two solutions to the elliptical boundary value problem have been constructed through a monotone iterative process, and they might be identical. In Chapter 2, the author expresses the local solution to the parabolic initial boundary value problem taking advantage of Green function. In Chapter 3, the asymptotic solution to the initial value problem of Duffing equation is obtained and the method for finding the approximate solution to the inverse problem is put forward.This paper is planned with a view to the author's research means.

从研究结果看：第一章通过单调迭代过程构造出椭圆型方程的边值问题的两个解，并且指出二者可能是同一个解；第二章利用格林函数给出了抛物型方程的初边值问题的局部解的解析表达式；第三章中，先对Duffing方程的初值问题写出解的渐近展开式，再对其反问题提出一种求近似解的方法。

In this paper,the following assignment problem is considered:there are persons to be assigned to do jobs,where,every person who is assigned to do one job,meanwhile,every job demands one person to do;then,this assignment problem is called standard assignment problem,furthermore,it is called general assignment problem.

考虑了指派问题：有m项工作和n个人。若m与n是相同的，并且每一项工作只能由一个人来做；同时，每一个人只能做一项工作；符合这一条件的指派问题称为标准指派问题；若m与n不相同，则称为非标准指派问题。

The invention discloses a ternary alloy hyperacoustic motor frictional material of the fire resistance resin modified polyphenyl ester, which solves the low friction coefficient problem, the low impact strength problem, the low abradability problem and the bad processability problem of the prior hyperacoustic motor.

耐高温树脂改性聚苯酯三元合金超声马达摩擦材料，它涉及一种聚苯酯基超声马达的摩擦材料。本发明解决了现有超声马达摩擦材料存在摩擦系数小、冲击强度低、耐磨性能达不到要求，以及加工性能差等缺点。

The statistical analysis of this large set of mutations has led us to propose a diagnostic strategy that should help with the molecular work-up of optic neuropathies.

这一大系列基因突变的统计学分析引导我们提出一个诊断策略，可以帮助我们对视神经病变进行分子学的诊断检查。

The results show that the pipe grouting changes the mechanical parameters of surrounding rocks to achieve the security of engineering objectives by reinforcing surrounding rocks and bolcking the water.

研究表明：小导管注浆一方面改变了围岩的力学参数，另一方面利用浆液的固结特性可以实现堵水和加固围岩的工程目标，使隧道在开挖过程中的安全得到保障。