SVM

平面问题有限元代码，自学有限元的时候写的，不喜勿喷(plane problem by finite element method)

做皮带运输系统模拟，在干扰下如何实现皮带平稳控制，其中解微分方程组常用数值解法即龙格法.(Belt transportation system simulation disturbance belt under steady control, including commonly used numerical methods of solving differential equations-Runge method)

This code is for multiuser detection in communication

vigenere密码在起初的破译中是靠穷举法，找出与阅读习惯最适合的明文，但是也可以先缩小穷举范围，再查找(vigenere initial crack passwords by brute-force method is to identify the most suitable and clear reading habits, but can also be reduced exhaustive range, and then find)

matlab 经典例程里的数据分析与统计，对迅速掌握相关数学的matlab实现很有帮助(Matlab classic routines in the data analysis and statistics helpful to quickly grasp mathematics matlab)

unipolar binary weighted

这个程序是王永良的空间普估计理论与算法中的幅相误差校正中自校正算法，找了好久找不到源程序，此程序是本人亲自编写，此方法的缺点是容易陷入局部最优解，具体看程序仿真图(This program is estimated Pu Wang Yongliang space theory and algorithms of amplitude and phase error correction in self-calibration algorithm, for a long time could not find the source, this program is a personally written, the disadvantage of this method is easy to fall into local optimal solution, specifically to see the program simulation map)

说明：  思源科技出版 matlab基础与提高 4-6章 源代码(Springsoft matlab based publishing the source code and improve the chapter 4-6)

Audio compression and recording

地心惯性坐标系到地理坐标系；地理坐标系到地球坐标系等转换，共计8个程序(geocentric inertial coordinate system of geographical coordinates; Geographic coordinates of the Earth coordinate system conversion, a total of eight procedures)