代数方程

测绘、遥感领域摄影测量连续法相对定向 ，两张相片之间寻找同名关系，讲两张影像纳入到同意坐标系中

使用java语言实现数据挖掘的C4.5决策树算法。其中用到4个class，myc45是主函数，values代表计算属性的取值，attribute用于计算信息增益比，以求找出最适用于分类的属性val则是处理输入的数据的类

一个简单的多线程的例子-a simple example Multithreading

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

对难于时行积分的方程y=x*sin(x),用蒙特卡洛方法进行了求解。-Difficult when the line integral of the equation y = x* sin (x), using Monte Carlo methods to solve.

3D打印机下位机源码（不完整）以及原理图，网上看到的，觉得不错，包括下位机各部件的驱动以及原理图

Steffensen method for non-linear equations in C

CZT和FFT的C语言实现代码，能有效滤除谐波，噪声。获得信号的频率，是一种良好的频率测量算法。-CZT and FFT of the C language code, can effectively filter out harmonics and noise. Access to the signal frequency, is a good algorithm for frequency measurement.

深度优先遍历图的方法是，从图中某顶点v出发： （1）访问顶点v； （2）依次从v的未被访问的邻接点出发，对图进行深度优先遍历；直至图中和v有路径相通的顶点都被访问； （3）若此时图中尚有顶点未被访问，则从一个未被访问的顶点出发，重新进行深度优先遍历，直到图中所有顶点均被访问过为止。　当然，当人们刚刚掌握深度优先搜索的时候常常用它来走迷宫.

一个给输入语音进行能量规整的程序，便于控制播放语音的音量，工具虽小，但却常用-Voice for a given input energy warping procedures, easy to control playback of voice volume, tools may be small, but common