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说明：  本程序是遗传算法求极值,有助于对遗传算法的理解(This procedure is a genetic algorithm for extreme value, contribute to the understanding of the genetic algorithm)

计算在N维空间中，两条线之间的最短距离，N可以是3或者3以上的任何数值(Calculated in N-dimensional space, the shortest distance between two lines, N could be any of 3 or more values 3)

stbc 在源码内容中搜索2发1收alamouti码matlab仿真程序hot (stbc stbc alamouti space time code)

MATLAB 空间直角坐标系与大地坐标系转换(MATLAB space rectangular geodetic coordinate system conversion)

Implements PSO for function optimization for different standard mathematical functions.

the code file that is uploded is harmfreq file

把txt格式的数据文件引入matlab中进行fft，输出四个图( Txt data file format introduced conducted matlab fft, the output of the four figure)

说明：  定温边界条件下，二维矩形平板的温度场差分数值模拟。(Constant temperature boundary conditions, two-dimensional rectangular plate differential temperature field numerical simulation.)

模式识别中有关特征提取的那部分（链码），还有灰度特征。(Feature extraction in pattern recognition, that part of the (chain code), and gray feature.)

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