TOMCAT

将方波周期信号展开成傅里叶级数并生成3次，5次，8次，10次谐波(Expand the square wave into a Fourier series of periodic signal and generates 3 times, 5 times, 8 times, 10 times harmonic)

This is the code for state pace model

matlab实现的中国邮路问题，寻找可能的欧拉环游，(matlab realize the Chinese Postman Problem, looking for possible Eulerian tour,)

xie beni for clustering

自己写的matlab源码，实现EMD分解，原始的EMD分解代码，简单实用。(Write their own Matlab source, EMD decomposition, the original EMD decomposition code, simple and practical.)

在实际计算中，有时为了避免开方运算，或者要分解的矩阵只是对称而不是正定的，这时可以选用适合于一般对称阵的分解式(In the actual calculation, sometimes in order to avoid root operation, or just want to break down the matrix rather than positive definite symmetric, then you can choose suitable for general symmetric matrix factorization)

matlab power flow toolbox with document

有关2012全国大学生数学建模竞赛论文，可以让读者提供一些方法和思路。(For papers of the 2012 National Mathematical Contest in Modeling, allows the reader to provide some methods and ideas.)

基于粒子群算法的PID控制器优化设计matlab代码(PID TUNER using PSO matlab code)

無監督分類方法，可以對一堆數值自動的歸類(Unsupervised classification methods, can be a pile of automatic classification of numerical)