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对样本进行主成分分析： 把原来多个变量划为少数几个综合指标的一种统计分析方法，是一种降维处理技术(Principal component analysis on the samples: the original more than one variable is designated as a few indicators of a statistical analysis method, a dimensionality reduction processing technology )

本资料介绍了图论的概念，以及图论的用法，也包含了算法的matlab实现(Graph Theory matlab)

this code is about k mean clustering in Matlab

偏微分方程的MATLAB解法 陆君安编著 PDF，讲的是matlab的pde工具箱(MATLAB Solution of Partial Differential Equations Jun-An Lu edited PDF, talking about the matlab pde toolbox)

matlab优化程序，简单易用，极大提高工作效率。(matlab optimization procedures, easy to use, greatly enhancing efficiency.)

说明：  硕士论文，介绍关于QAM系统中定时同步的方案。(Master s thesis about the Timing on QAM systems)

说明：  这是一遍相当不错的人脸识别论文。对本科生毕业设计非常有用(This is again quite good face recognition papers. Very useful for Graduation)

一个用BoW|Pyramid BoW+SVM进行图像分类的Matlab Demo (Image Classification using Bag of Words and Spatial Pyramid BoW)

Data clustering using graph cut method

读取压缩包中类似格式的txt文件绘制扇形包络图(Read txt file compression format similar to drawing package envelope fan)