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混沌的演示，关于matlab做混沌模型的初步的一些介绍和详解(Chaos demo on matlab to do some initial chaos model introduction and explain)

this code is for fingerprint thinning

RRT随机树算法 机器人路径规划基本算法 容易实现(RRT random tree algorithm for robot path planning algorithm is easy to implement)

Median filter code using matlab

matabl filtered high frequency noisy

backstepping applied to tracking problem of a marine vehicle

该程序描述含噪语音信号的处理过程，MATLAB编程。(The program describes the noisy speech signal processing, MATLAB programming.)

tofind diffrent parameters such as inductance resonance frequency of series RLC circuit

当文件的某一行存在某一个字符串时，就删除该文件的那一行，并适应于多文件的批量处理。(When a file on a row exists a string, delete the line of the file, batch processing and is suitable for multiple file.)

this is helpful to get better result in stock market pridiction.