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说明：  这个是KPCA核主成分分析的代码，好用，里面也带有范例(This is the KPCA kernel principal component analysis code, which is easy to use and also contains examples.)

通过差值方法填补matlab变量中的NAN值，针对二维以内的变量，变量中不能有整行或整列的NAN值(Fill NAN value in matlab variables by the difference method, for less than two-dimensional variables, variables can not have an entire row or column values ​ ​ of NAN)

electronics one labrotaruary experiment

图像特征提取 特征提取 matlab 特征提取 图像特征 (Image feature extraction feature extraction feature extraction matlab image features)

a simple method of pca. how to find mean and to normalize data

内含心电信号数据及运用MATLAB写的源代码，添加噪声处理，可以实现模式识别领域的数据的分类及回归。( ECG data and includes source code written in MATLAB, Add noise processing, You can achieve data classification and regression pattern recognition.)

说明：  matlab using this edf file

这是一个小波变换的程序，滤去噪声实现语音增强(This is a wavelet transform procedures, filter out the noise to realize speech enhancement)

该程序详细说明了MATLAB7.1与VC++6.0混合编程的方法，主要是VC++调用MATLABm函数编译后的动态数据链接库，并且提供了实际的例子，按照该例子就能完成初步的混合编程(The program details MATLAB7.1 VC++6.0 mixed programming, mainly compiled the VC++ call MATLABm function of the dynamic data link library, and provides practical examples can be done in accordance with the example of the initial mix of programming)

it is also a matlab code for the ecg signal analysis diagnoses