雅克比法求对称矩阵的特征值

学习VC++时做得小练习，基于单文档应用的简单的数据库编程，易于出血者的使用，实现最基本的数据库管理功能-learning VC when doing small exercises, based on the application of the single-file database programming simple and easy to use bleeding, achieve the most basic database management functions

说明：  本书是经典畅销图书《Python 核心编程（第二版）》的全新升级版本，总共分为 3 部分。 第 1 部分讲解了 Python 的一些通用应用，包括正则表达式、网络编程、Internet 客户端编程、多线程编程、GUI 编程、数据库编程、Microsoft Office 编程、扩展 Python 等内容。 第 2 部分 讲解了与 Web 开发相关的主题，包括 Web 客户端和服务器、CGI 和 WSGI 相关的 Web 编程、Diango Web 框架、云计算、高级 Web 服务。第 3 部分则为一个补充/实验章节，包括文本处理以及一些其他内容。 本书适合具有一定经验的 Python 开发人员阅读(This book is a new upgraded version of the classic best-selling book Python Core Programming (2nd Edition). It is divided into three parts. Part 1 explains some general applications of Python, including regular expressions, network programming, Internet client programming, multi-threading programming, GUI programming, database programming, Microsoft Office programming, extension of Python and so on. Part 2 Topics related to Web development are explained, including Web client and server, CGI and WSGI related Web programming, Diango Web framework, cloud computing, advanced Web services. Part 3 is a supplementary/experimental chapter, including text processing and some other contents. This book is suitable for Python developers with some experience.)

说明：  各种cfd的fortran小程序，有sod激波管精确解、近似解，shuosher激波管近似解，包含WENO差分格式，牛顿法；还有网格生成书籍。(Various CFD FORTRAN programs, including SOD shock tube exact solution, approximate solution, shuosher shock tube approximate solution, including WENO difference scheme, Newton method, and grid generation books.)

AUTO CAD下的测绘数字成图软件！三角形网、等高线、土方计算等！-the mapping and digital map software! Triangle Network, contour, earthwork calculations!

该程序可将java源程序生成html文件-the procedure can be generated source java html document

一个不错的数控源码是vb的，很不错的写的，大家可以-NC a good source is vb, and the writing is pretty good, we will look at

USACO第10题，Marry乳业从一些奶农手中采购牛奶，并且每一位奶农为乳制品加工企业提供的价格是不同的。此外，就像每头奶牛每天只能挤出固定数量的奶，每位奶农每天能提供的牛奶数量是一定的。每天Marry乳业可以从奶农手中采购到小于或者等于奶农最大产量的整数数量的牛奶。 给出Marry乳业每天对牛奶的需求量，还有每位奶农提供的牛奶单价和产量。计算采购足够数量的牛奶所需的最小花费。 (Give the requirement of milk and the amount that they offer.)

有助于打好c语言基础,内容描述详细易懂，适合零基础学习(Very Good Can help you quickly understand C language, improve your programming ability)

说明：  通过鸢尾花数据集，构建和训练模型，得到相应的聚类散点图(Through the iris data set, construct and train the model to get the corresponding clustering scatterplot)

IEEE30节点经典系统，用于电力系统仿真的基础平台搭建(IEEE30 node classic system)