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说明：  用于各种分类的支持向量机matlab程序，可自定训练集和验证集数量(lib-SVM matlab program)

4 QAM Spatial modulation with maximum likehood detection

层次聚类算法中变色龙算法在MATLAB里的代码实现案例(Hierarchical clustering algorithm, chameleon algorithm in MATLAB code implementation case)

将MATLAB中绘制的二维曲面导出为stp格式，以在机械软件中打开进行操作(export a surface plotted in matlab and create a stp file, so that the surface can be opened in solidworks, proE, etc)

mathematica5简明教程 关于mathematica的教程，值得看一看咯！！！(mathematica5 concise tutorial mathematica about the tutorial, it is worth a look pyronaridine! ! !)

动态矩阵控制 列车跟踪速度80KM/H 模型预测控制(DMC DMC)

please do not put files on these

日期转换的程序。可将字符型日期转换为数值型。增加了一种常用日期编码格式。建议将其作为mex使用，速度有显著提高。(Date conversion process. Date can be converted to a numeric character. Added a common date code format. Recommend its use as a mex, the speed has improved significantly.)

通过matlab彩色图像转换成灰度图像，再图像旋转，然后画布扩大，最后均值插值(Matlab color images through the gray image into another image rotation, and then expand the canvas, and finally the mean interpolation)

根据IEEE标准算例给出的9节点网络图，利用MATLAB软件编程计算其节点导纳矩阵（含有解释）。当然，依据程序稍作修改可以求IEEE算例中的任意节点导纳矩阵。(Example is given according to the IEEE standard 9-node network diagram, using MATLAB software program to calculate the nodal admittance matrix (with explanation). Of course, some slight modifications according to the program can find examples of any IEEE nodal admittance matrix.)