人工智能作业，用博弈树完成的一字棋程序。

gps接收机的RTCM转化为ASCII码，对于学习RTCM有一定的作用，能起到一定的促进效果，希望喜欢的朋友踊跃下载，RTCM格式支持2.X，3.X等。可以二次开发为RTCM转RINEX格式！

最小二乘一次完成算法的c语言程序，调试没有问题。-A complete least-squares algorithm c language programming, debugging there is no problem.

MFC下实现加密算法MD5,可以对字符串跟文件进行加密.值得一看  Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All rights reserved. License to copy and use this software is granted provided that it is identified as the "RSA Data Security, Inc. MD5 Message-Digest Algorithm" in all material mentioning or referencing this software or this function. License is also granted to make and use derivative works provided that such works are identified as "derived from the RSA Data Security, Inc. MD5 Message-Digest Algorithm" in all material mentioning or referencing the derived work. RSA Data Security, Inc. makes no representations concerning either the merchantability of this software or the suitability of this software for any particular purpose. It is provided "as is" without express or implied warranty of any kind. These notices must be retained in any copies of any

1.求解像素点在水平方向的梯度 2.求解像素点在垂直方向的梯度 3.生成高斯滤波w(s,t)          4.用高斯模板对图像进行相关运算（线性滤波） 5.针对每个像素点（i,j),计算矩阵M 6.如果R(i,j)是3*3邻域内的极大值，且大于阀值，则选为角点 7.统计角点个数 8.确定角点位置           

这是一个我亲自开发的拼音和台湾注音输入法,运行很好，效率高.有声调,加入main函数调用py_ime函数即可-This is a development I personally and Taiwan phonetic Pinyin input method, running good, high efficiency. A song. joined the main function call can function py_ime

Calculating roots of polynomial

光纤模场分布和传播常数，输入模式的阶数，计算得到各类模式的模场分布。在其中修改参数，至少可以计算5层光纤结构。

图像去噪的变分和偏微分方程方法，包括TV模型（二阶PDE），PM模型（二阶PDE），YK模型（四阶PDE）的matlab代码。可直接实现。参考文献可在网上(比如百度文库)里下载。都是经典的方法。

一个计算器程序，可以识别算式字符串形式的-a calculator program that can be identified form of a string formula

RK4 是一个 C 程序实现简单的龙格-库塔求解初值问题。Rk4() 函数并不包括任何误差估计。它以单步在一段时间，需要用户来控制步长。