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check this out , it may be interesting but it is a damn code , just try to understand.

Matlab 自定义窗函数的幅频分析，包括矩形窗，三角窗，汉宁窗，汉明窗等(Matlab customize the width of the window function frequency analysis, including rectangular windows, triangular windows, Hanning window, Hamming window, etc.)

该代码可以实现对非平稳水文序列的消噪处理(It may realize the elimination of noise in stochastic hydrological series.)

该软件包括自适应时频分析的计算内 核及Matlab 交互脚本.使用了 GUI 交互界面，可允许用户进行更多、更加直观的控制操作，可在Matlab 命令行直接敲入 tfagui 进入交互界面。(The software includes adaptive time-frequency analysis calculation Nuclear and Matlab interactive script. Using the GUI interface, allowing users more and more intuitive control operation, can be directly in the Matlab command line type tfagui into the interface. )

利用模糊原理及中央值滤波器去除图像椒盐噪声.(image restoration by using fuzzy rule)

可以在蓝色背景下找到肤色散点分布图，从而确定肤色在YCBCR空间内的分布情况(Can be found in the blue background color scatter distribution, to determine the color space in the distribution of YCBCR)

附件程序为图像稀疏表示的源代码，程序用matlab编写，能正常运行。(Sparse representation of the image attachment program source code, programs written with matlab able to function properly.)

绚丽文字雨，适合培养matlab初学者的学习兴趣(beutiful word rain)

外梯度求解变分不等式算法以及修正、优化后的算法(Extragradient algorithm variational inequalities and correction algorithms, optimized)

说明：  数学建模学习资料 并行算法，用以数学建模学习(Parallel algorithm for learning data of mathematical modeling)