closest_pair

针对水轮机调节系统PID参数辨识问题，作者在VC++6.0环境下，使用c语言，编写PID参数参数辨识程序，结果表明，该程序能够辨识出Kp,Ki,Kd三个参数，满足调节系统的误差要求。(Turbine regulating system for PID parameter identification problem, the authors VC++ 6.0 environment, using c language, the preparation of PID parameters of parameter identification procedures, results show that the program can identify Kp, Ki, Kd three parameters to meet conditioning systems error requirements.)

实现大小写互换，即输入大写子母程序会自动转成小写子母(Realization case swap)

to study for student

用中点画圆法画椭圆。可以改变大小和位置。(Ellipse midpoint drawcircle.You can change the size and position.)

通讯录管理系统，能够实现人员的信息录入、查询、修改、删除、保存、显示等操作(Address book management system, personnel information entry, query, modify, delete, save, display operations)

这是我毕业设计所写的小程序，程序中的界面类似于魔塔，用vc6.0 mfc开发，个人测试没有什么问题(This is my small program written by graduation, the program s interface is similar to devil s tower, with vc6.0 mfc development, individual test without any problems)

说明：  实验题目：5.1 基于顺序栈的括号匹配程序设计验证 一、实验目的 1. 掌握栈的顺序存储结构； 2. 掌握栈的操作特性； 3. 掌握基于顺序栈的基本操作的实现方法。 二、实验内容 1. 实现顺序栈的成员函数； 2. 基于顺序栈的括号匹配程序设计验证。 实验题目：5.2 基于链式栈的表达式的计算程序设计验证 一、实验目的 1. 掌握栈的链式存储结构； 2. 掌握栈的操作特性； 3. 掌握基于链式栈的基本操作的实现方法。 二、实验内容 1. 实现链式栈的成员函数； 2. 基于链式栈的表达式的计算程序设计。 (Experiment Title: 5.1 Based on the order of the stack in parentheses matching program design verification 1, experimental purposes 1. To master the order of the stack storage structure 2. Master stack operating characteristic 3. To master the basic operation of stack based on the order of the realization method. Second, experimental content 1. To achieve the order of the stack member function 2. Based on the order of the stack in parentheses matching program design verification. Experiment Title: 5.2 Based on the expression stack chain calculation program design verification 1, experimental purposes 1. Master stack chain storage structure 2. Master stack operating characteristic 3. To master the basic operation of stack-based chain implementations. Second, experimental content 1. To achieve chain stack member function 2. Based on the calculation of the expression stack chain programming)

用于将txt格式数据，转换为.dat格式的数据，便于CASS处理。(Txt format for the data is converted to. Dat format, easy CASS processing.)

简单易行，很好玩很简单那，我都没费什么功夫(Simple and fun it is very simple)

计算器，可进行四则运算，并且有符号位，退格，以及小数点。(Calculator, can be carried out in four operations, and the sign bit, backspace, and decimal point.)