查询词典 mathematical approximation

This book reviews the many areas of numerical analysis, including the configuration polynomial, finite difference, factorial polynomials, summation, Newton formula, operator and configuration polynomial, Cheung section, close polynomials, TaylM more item type, interpolation, numerical differentiation, numerical integration, and with the series, differential equations, differential equations, least squares polynomial approximation, minimax polynomial approximation, rational function approximation, triangular approximation, non-linear algebra, linear equations, linear programming, boundary value problems, MonteCarIo methods and so on.

本书综述了数值分析领域的诸多内容，包括配置多项式、有限差分、阶乘多项式、求和法、Newton公式、算子与配置多项式、祥条、密切多项式、TaylM多项式、插值、数值微分、数值积分、和与级数、差分方程、微分方程、最小二乘多项式逼近、极小化极大多项式逼近、有理函数逼近、三角逼近、非线性代数、线性方程组、线性规划、边值问题、MonteCarIo方法等内容。本书的特色主要表现在利用例题及大量详细的题解来透彻地阐明所述内容的内涵，同时附有大量的补充题以便读者进一步巩固和深化从书中获得的数值分析知识。

Comprehensively making use of the basic theory, such as Space Analytic Geometry, Gear Meshing Engagement Theory, Method of Mathematical Calculation, Theory for Error Analyzing and Data Processing, the author has established the mathematical models of the new method, which has included the analytic mathematical model for precision orientation, the mathematical model for the ball's diameter and the measuring diameter, the mathematical model about the ball's centre, the calculation model for tooth alignment diviations and the model for tooth alignment error evaluation.

本文综合应用空间解析几何学、啮合原理、计算方法、误差理论与数据处理等有关基础理论，推导建立了新方法的数学模型，包括：确定定位关系的解析法数学模型，测球直径与测量半径的数学模型，测球球心的数学模型，齿向偏差的计算模型以及齿向误差的评定数学模型等。

Relativity can't leave Lorentz transformation such interesting mathematical game, from its beginning to its end is from mathematical game to mathematical game, it seems that he wants to use mathematical game to direct physics experiment, it seems that he wants to use mathematical game to change space and construct another universe.

相对论离不开洛仑兹变换这个有趣的数学游戏，从它的开始到它的结束全是从数学游戏到数学游戏，似乎他要用数学游戏去指导物理实验，似乎他要用数学游戏去改造空间和另造宇宙。

To strengthen mathematical symbol language analogy and symbol's suggesting function, to cultivate students' ability to transfer the mathematical narrative language to mathematical symbol language, to lead students to understand the definition of mathematical symbol and to regulate the writing of symbols will all contribute to developing mathematical thinking.

加强数学符号语言类比和符号提示功能教学，培养学生将数学叙述语言转换成数学符号语言的能力，引导学生正确理解数学符号的含义并规范符号书写，促进学生数学思维的发展。

Language in the Visual C ++ program to prepare the small company's management wages Data Structures Using C language simulation of the car park management, vehicle output reached, departure time and location C language environment in Turbo C 2.0 calculator program to prepare the basic functions, and provide visual interface SQL server database and the use of VC ++"student information management system" 2007,"Higher Education's Cup" National Mathematical Contest in Modeling (China's population growth projections) were third prizes Hubei Division Zhongnan University of Nationalities in 2006 Mathematical Contest in Modeling (the company's best production programme) won by their schools China and South Africa in 2007 by the national schools "Innovation Capability honorary title" 2006 "click space of a series of activities Poetry Speech Competition" The Excellence Awards 2006 - 2007 Zhongnan University of Nationalities professional third prizes August 2007 through selected to participate in the summer school mathematical modeling training September 2007 in "Higher Education's Cup" National Mathematical Contest in Modeling May 2006 Zhongnan University of Nationalities Mathematical Contest in Modeling Participate in the 2006 ACM Programming Contest 2006 Computer Science Institute participate in the "Click space series of activities," Poetry Speech Competition 2006 National University and South Africa to participate in "Click space series of activities," Program Design Contest China and South Africa in 2005 to join the University of the nation "Table Tennis Association"

++语言在Visual C++环境下编写程序实现小型公司的工资管理数据结构使用C 语言模拟停车场管理问题，输出汽车到达、离开时间及位置 C 语言在Turbo C 2.0环境下编写程序实现计算器的基本功能，并提供可视化界面数据库使用SQL server及VC++实现&学生信息管理系统& 2007年&高教社杯&全国大学生数学建模竞赛获湖北赛区三等奖 2006年中南民族大学数学建模竞赛（汽车公司的最佳生产方案）获学校一等奖 2007年获中南民族大学校&创新能手&荣誉称号 2006年&点击空间系列活动之诗歌演讲比赛&获优秀奖 2006年-2007年中南民族大学专业三等奖 2007年8月经过选拔参加学校暑期数学建模培训 2007年9月参加&高教社杯&全国大学生数学建模竞赛 2006年5月中南民族大学数学建模竞赛 2006年参加ACM程序设计大赛 2006年参加计算机科学学院&点击空间系列活动&之诗歌演讲比赛 2006年参加中南民族大学&点击空间系列活动&之程序设计大赛 2005年加入中南民族大学&乒乓球协会&

This paper firstly established a general mathematical model for the approximation to gradient and suggested two optimization principles of the approximation model,and then developed two optimal algorithms to reach minimum anisotropy or minimum approximation error while...

提出了通用梯度近似算法的数学模型和两种优化准则，进而推导出两种梯度近似的优化算法。

The paper analyses material transportation problem and give the solvable methods; analyses delivery vehicle route problem, and then construct its corresponding mathematical model and present a heuristic algorithm based on C—W algorithm; analyses the optimum scheduling problem of trucks, and then construct its corresponding mathematical model and put forward a new algorithm; analyses the Postal Transportation Problem which will perhaps be used in supply chain of manufacturing system, and then construct its corresponding mathematical model and present an approximation algorithm.

分析了制造系统供应链中供需平衡、供需不平衡、有转运等各种情况下的物资调运问题，给出了求解方法；分析了制造系统供应链配送作业中的配送车辆路线问题，建立了相应的数学模型，提出了一种基于C-W算法的启发式算法，该算法较好地解决了有时间约束的配送问题；分析了制造系统供应链中的货运卡车优化调度问题，建立了相应的数学模型，提出了一种基于表上作业法的求解算法；分析了制造系统供应链中有潜在利用价值的邮政运输方式问题，在详细描述了该问题的基础上，建立了相应的数学模型，提出了一种近似求解算法，该算法较好地解决了邮政运输方式这样的多种物流、多种运输方式，有严格时限和众多外部约束的特大型、复杂、并行的交连系统的计划调度问题。

Because the mathematical linguistics are one kind by the mathematical symbol, mathematics terminology and the scientific language which is composed after the improvement natural language, therefore in mathematics teaching, the teacher not suitable direct use mathematical linguistics achievement teaches the language generally, but must act according to student's knowledge foundation and the psychological feature, transforms the mathematical linguistics as easily the language which is accepted by the student.

由于数学语言是一种由数学符号、数学术语和经过改进的自然语言组成的科学语言，因此在数学教学中，教师一般不宜直接使用数学语言作为讲授语言，而必须根据学生的知识基础和心理特征，将数学语言转化为容易被学生所接受的语言。

Psychology}, the paper defines intuition as a cognitive ability to make immediate judgement without analyzing or reasoning and further analyzes the relation and difference between intuition, inspiration, insight, imagination and perceptual intuition, pointing out that mathematical intuitive thinking is a swift judgement on and imagination to the objects of mathematics and their relationship in structure which is featured by illogicality, directness, probability, randomness and unity and aids students in predicting conclusion or direction to solution as well as making definite choice between several options, Furthermore, the paper probes into the foundation of mathematical intuitive thinking in terms of psychological mechanism, and thereupon holds it necessary to develop students mathematical intuition in that it does good to the excitement of creativity, improvement of overall qualities, all- brain development and optimization of mathematical thinking among students.

而数学直觉思维就是人脑对数学对象及其结构关系的一种迅速的判断与敏锐的想象，并探讨了数学直觉思维的生理机理基础，总结其特征有非逻辑性、直接性、或然性、随机性、整体性和综合性。在解题时直觉能帮助学生对结论或解题方向做出预见，也可以在推理面临多种可能性时，帮助学生做出果断的选择。

Then, it studies the supply chain management system as a complex system to confirm the state existing during operating of the system. After that, it conducts a probability analysis on the state which the system located by applying supplement variable method, and establishes the model of distributed parameter system in a form of partial differential equations. Combining C0 ? semigroup theory in the functional analysis, it conducts a dynamic analysis on the established mathematical model. Using this method, it obtains the mathematical expression of the dynamic solution and the steady state solution, and proves the uniqueness, non-negativity and the asymptotic stability of the system solution. This dissertation applies the Matlab tool and uses two-step, three-step Simpson integral equation to imitate the condition of system solution. Then, it adds possible mode of failure and the optimization adjustment state to the system, based on which it has established the distributed parameter system model which is described by partial differential system of equations. Combining the functional analysis C0 ? semigroup theory, it studies the established mathematical model, and obtains the mathematical expression of the dynamic solution system and the steady state solution. It has proven the existing of uniqueness of the system solution, the asymptotic stability of system solution and the system solution. In addition, it has lying the theory rationale for further analysis and the research on the optimization of system.

本文首先简要综述了供应链理论、可靠性研究、鲁棒性研究以及供应链鲁棒性研究的现状；然后，将供应链系统作为一个复杂系统来分析，确定了系统运行过程中所经历的状态，通过引入补充变量的方法，建立了用偏微分方程组描述的分布参数系统模型，用泛函分析中的C_0 -半群理论得到了系统动态解和稳态解的数学表达式，证明了系统解存在的唯一性、非负性和指数阶渐近稳定性；并借助Matlab工具，利用二阶、三阶辛普森积分方程模拟系统解的性态，并给出系统动态解的仿真图；本文又对上述系统增加了系统可能失效状态和优化调整状态，并在此基础上建立了用偏微分方程组描述的分布参数系统模型，同样用泛函分析中的C_0 -半群理论对所建立的数学模型进行了研究，得到系统动态解和稳态解的数学表达式，证明了系统动态解存在的唯一性、非负性及渐近稳定性，为进一步分析和研究供应链优化奠定了理论基础。

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