chap4_forces

说明：  自己做的作业 两个小程序 水印方面的(matlab xiaochengxu)

matlab编译的dll文件案例，文件内容为a+b=c(failed to translate)

it is for electrical engineering in power systerm. it is a matlab function for pv-power load.

Numerical optimization, Steepest descent

这些是薛定宇控制系统设计书中的各种有用的小程序(Is the Xue Dingyu control system design book the useful program)

本文为Stephen J.Chapman《MATLAB 编程（第二版）》英文影印版的中文译本，这本 书对初学者很好的入门教材(This article Stephen J.Chapman MATLAB Programming (second edition), the English version of the Chinese translation of photocopying, this A good book for beginners introductory textbook)

对通信信号进行时频分析比较有用的matlab代码(A useful matlab code for time-frequency analysis of communication signals)

Parsevals Relation and Relations between the DFTs of the Periodic Even and Odd Parts of a Real Sequence

最近邻分类器是一个用来聚类的算法，可以用来对iris数据进行聚类(k-means is a neanest alogorim)

Adaptive control 2ed Karl.J.Astrom