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用matlab写的最近邻和K近邻法分类器，简单易懂，适合初学者(Written with matlab and K-NN nearest neighbor classifier, easy to understand for beginners)

说明：  此段代码的功能是对宽带阵列信号的输出结果进行仿真(This is the source code of simulation for the array output when wideband signals are received.)

optimization of function by PSO

讲述比较全面是matlab算法，涵盖了许多经典的算法和数学建模的思想。(About matlab algorithm is more comprehensive, covering a number of classic algorithms and mathematical modeling ideas.)

Minor modification of the function "bisect"

This function used to calculate PCA of image.

粒子群算法(pso)标准测试函数验证程序。在一个m文件中包括了目前文献中用于验证的7个标准测试函数(Ackley等)、三维动态显示，粒子过分集中时打散等功能。旨在为学习和研究者pso算法的同仁提供一个功能较为完备、简单易懂的标准版本，对于初学者可以通过此程序快速的实现入门，以便将更多的精力投入到深层次的研究中去！同时愿与所有致力于此的朋友共同探讨pso算法的改进与应用方面(如多目标、动态系统等)的经验。(验。-PSO algorithm (PSO) standard test function verification process. M in a document, including the current literature is used to validate the seven standard test function (Ackley), 3D dynamic display, and the over-concentration of particles scatters when the function. Designed for researchers to study and colleagues at the PSO algorithm to provide a more complete functional and easily understood standard version, for beginners through this program to achieve rapid entry. in order to be more energy into depth study! While willing to work with all the friends here to discuss PSO algorithm improvements and applications (such as multi-target, Dynamic systems, etc.) experience.)

数字信号处理的matlab程序，里面有大量的例程，可以帮助很好的理解(Digital signal processing matlab program, which has a large number of routines that can help a good understanding of)

Model of series active power filter by using reference value and 4 Q converter.

matlab学习书籍，很有用的，大家可以根据这个自学！(matlab learning books, very useful, we can according to the self-study!)