字频分析

说明：  任意分层球体电磁散射特性的求解程序，可以计算大尺度参数的问题(The program can be used to calculate large-scale parameter problems for arbitrary layered spherical electromagnetic scattering)

说明：  文件包括带压缩因子的粒子群算法，权重改进的粒子群算法，自适应权重法，随机权重法，变学习因子的粒子群算法，异步变化的学习因子，二阶粒子群算法，二阶振荡粒子群算法，混沌粒子群算法，混合粒子群算法，杂交粒子群算法，模拟退火算法(Documents including particle swarm algorithm with compression factor, weighting the improved particle swarm algorithm, adaptive weight method, the random weighting method, variable learning factor of particle swarm optimization (pso) algorithm, asynchronous learning factors change, the second order particle swarm optimization (pso) algorithm, the second order oscillation particle swarm algorithm, chaos particle swarm optimization (pso) algorithm and hybrid particle swarm optimization (pso) algorithm, the hybrid particle swarm algorithm, simulated annealing algorithm)

说明：  全屏幕对比查看图像 支持鼠标放大、缩小和平移； 支持键盘移动。(Full screen contrast view image Support mouse zoom in, zoom out and pan; Keyboard movement is supported.)

模拟邮箱系统。要输入用户名和密码，直到合格或三次 调用 ggets 可以中途 ESC 退出 返回: 成功:OK 失败:ERROR.可以创建新用户。fw :写信模块 you :发送机名 youfile :对应文件 str1 :信件内容 str :单位字符 w :频率 hc :转换编码,由赫夫曼树获得 strwork1:信件前导信息 strwork2:正式编码-simulated mail system. To enter a user name and password, or until three qualified ggets can call from halfway to the ESC : Success : OK failed : ERROR. You can create new users. Fw : module you write : Send machines were youfile : str1 corresponding documents : letter str : flat characters w : frequency hc : transcoding from the Huffman tree was strwork1 : Information strwork2 letter Spotlight : official coding

HTML5结合jQuery实现三维折叠效果的图片展示，打开页面后，拖动网页上的滚动条，当上一张图片快看不到、下一张快显示的时候，出现三维的图片效果，这在HTML5下似乎很容易就实现，测试请使用火狐或Chrome浏览器，IE8下无效果。

粒子群优化的超限学习机，运行快，拟合效果好，很方便使用(The particle swarm optimization of the overrun learning machine, fast operation, good fitting effect, very convenient to use.)

使用MATLAB下载数据，批量下载，使用url函数(Download data using MATLAB, bulk download, use the URL function.)

说明：  如何用python分析处理excel数据(How to use Python to analyze and process Excel data)

vb编写的引入系统监视器，一个非常小但实用。-vb prepared by the introduction of system monitors, a small but very practical.

外籍人根据工资计算税金的公式，2018年的计算公式(about foreign salary set fro 2018 year)