bishechengxu

说明：  此包主要对班级管理，对班级的很多内容进行详细的管理(classmanage)

Simple program to test the implementation of geographical modification using arrays in Matlab

常见的matlab程序。 可以装上图片之后可以直接在matlab上面跑。( it is important and necessary,if necesary,please down it.)

说明：  该算法实现了窄带信号的波束形成，用的是Bartlett波束形成器(This algorithm achieved a narrow-band signal beam forming, using a Bartlett beamformer)

1、使用牛顿法求sqrt（2）； 2、用牛顿法求 fx=(x-1)*(exp(x-1)-1)的误差以及误差比； 3、用牛顿法及其他两种方法求 fx=x^4-4*x+x^2的重根 (1, using Newton' s method for the sqrt (2) 2, using Newton' s method for the fx = (x-1)* (exp (x-1)-1) error and error ratio 3, using Newton' s method and the other two method, to calculate fx = x ^ 4-4* x+ x ^ 2 re-root)

设计低通滤波器对信号进行滤波，对比分析滤波前后信号的频谱；(Design of low pass filter for signal filtering, comparative analysis before and after filtering the signal spectrum )

用matlab实现的PCA算法，用于人脸检测和识别，人脸图像的特征提取(algorithm of PCA of face detection by matlab)

MATLAB6实例教程 _ 郝红伟编著_ - 北京_ 中国电力出版社, 2001年9_0(Tutorial examples MATLAB6 edited by郝红伟_ _- _ Beijing China Electric Power Press, 2001 9_0)

说明：  将遗传算法的改进协同进化遗传算法应用于机器人路径的规划中(Improved genetic algorithm co-evolution genetic algorithm in robot path planning)

熔石英中折射率和群折射率随波长变化的matlab实现(The variation of n and ng with wavelength，using matlab。)