NicheSGA

本程序是设计巴特沃斯滤波器的代码，可以正常运行，实现巴特沃斯滤波器的基本功能。(butterworth filter)

哈希函数的matlab代码，此函数不可逆，具有加密功能。(Hash function matlab code, this function is not reversible, with encryption features.)

BMS TOOLBOX FOR MATLAB vesion 2

基于matlab语言的格子玻尔兹曼方法的圆柱绕流程序，直接在matlab里运行就可以得到相应的结果了(Based on the matlab language Lattice Boltzmann flow around a circular cylinder procedures run directly in matlab can get the corresponding results of the)

读取BMP文件信息和显示，读取文件头信息，包括大小，长宽，水平和垂直分辨率，彩色数目，实际用到的彩色数目，关键颜色数目，压缩方式，每像素用到的bit数等(to read and display bmp file. output the header information, includnig file size, image width and height, horizontal and verticular resolution, number of color used and number of significant color, compression method, bit count per pixel etc.)

说明：  频域的模态参数识别方法之一，可以对振动信号进行分析处理，得出结构的固有频率，阻尼比，振型系数，方法很好，程序完整，(Frequency-domain modal parameter identification methods that can analyze the vibration signal processing, draw the structure of natural frequencies, damping ratio, mode shape coefficient, very good method, program integrity,)

说明：  GPOPS轨迹优化的模板，内附有说明，适用于各种轨迹优化情况(GPOPS trajectory optimization template with instructions)

这是一段关于计算电流中谐波含量的M文件，用MATLAB实现，精确度很高。(This is a paragraph on the calculation of current harmonic content of M documents, using MATLAB implementation, high accuracy.)

MATLAB程序设计教程之快捷键设置方法MATLAB programming tutorial method of shortcut keys(MATLAB programming tutorial set shortcut method of MATLAB programming tutorial method of shortcut keys)

说明：  此算法为最小二乘辅助变量法。uy2为含噪声数据，n=2,噪声模型n=2。左为输出数据，右为输入数据。k=2,3,4,5等等(Least-squares algorithm for the auxiliary variables. uy2 for data containing noise, n = 2, the noise model n = 2. Output data for the left and right for the input data. k = 2,3,4,5, etc.)