Impact-Cost

人工鱼群算法，在一片水域中,鱼往往能自行或尾随其他鱼找到营养物质多的地方,因而鱼生存数目最多的地方一般就是本水域中营养物质最多的地方，人工鱼群算法就是根据这一特点,通过构造人工鱼来模仿鱼群的觅食!聚群及追尾行为,从而实现寻优，以下是鱼的几种典型行为:(1)觅食行为:一般情况下鱼在水中随机地自由游动,当发现食物时,则会向食物逐渐增多的方向快速游去。(2)聚群行为:鱼在游动过程中为了保证自身的生存和躲避危害会自然地聚集成群，鱼聚群时所遵守的规则有三条:分隔规则:尽量避免与临近伙伴过于拥挤 对准规则:尽量与临近伙伴的平均方向一致 内聚规则:尽量朝临近伙伴的中心移动。(3)追尾行为:当鱼群中的一条或几条鱼发现食物时,其临近的伙伴会尾随其快速到达食物点。特点：1)具有较快的收敛速度,可以用于解决有实时性要求的问题 2)对于一些精度要求不高的场合,可以用它快速的得到一个可行解 3)不需要问题的严格机理模型,甚至不需要问题的精确描述,这使得它的应用范围得以延伸.停止条件1) 判断连续多次所得的均方差小于语允许的误差2）判断某个区域的人工鱼群的数目达到某个比率3）联系多次所获取的值均不能超过已寻找的极值。 (Artificial fish swarm algorithm, in the midst of the waters, the fish tend to own or trailing other fish to find places with more nutrients and thus the largest number of fish survival in general is a place where most of the nutrients in the waters, artificial fish swarm algorithm is based on thisa characteristics, by constructing artificial fish to mimic fish foraging clusters and rear-end behavior, in order to achieve optimization, several typical behavior of the fish: (1) foraging behavior: the general case of fish in the water at randomthe free-swimming, swimming quickly when food is found, then the food is gradually increasing in the direction. (2) cluster behavior: the fish swimming in the process of naturally clustered, and abide by the rules when the fish cluster there are three: separate rule: try to avoid overcrowding with neighboring partners in order to ensure their own survival and to avoid harm alignment rules: as far as possible consistent with the mean direction of the)

本书给出很多有关小波变换的相关例子，有的源码很经典，值得大家学习！(The book makes a lot of relevant example of wavelet transform, some source code very classic, worth learning!)

我现在主要研究的是非负矩阵在特征提取方面的工作，上传几个我阅读的外国文献的，书籍源代码，在代码中有相应的文献或综述。我就上传一个low rank NMF的。压缩包里有9个文件。(I now mainly studied non-negative matrix feature extraction work, and upload a few I read foreign literature, books source code, there is a corresponding review of the literature or in the code. I' ll upload a low rank NMF' s. Compression bag has nine files.)

精通matlab6.5(北航 张志涌),pdf格式，学习matlab经典书籍之一。(proficient matlab6.5 (Beijing University of Aeronautics and Astronautics Zhang Yong), pdf format, Matlab learning one of the classic books.)

关于《射频电路设计》的Matlab程序，有与smith原图相关的，每章节中的图形程序。(On " RF circuit design" Matlab procedures, smith artwork associated with each section of the graphics program.)

leach的matlab程序，欢迎大家下载！(leach matlab)

非线性规划Matlab工具箱，比较全面，希望有用。(Matlab Toolbox for Nonlinear Programming, more comprehensive, I hope helpful.)

图象的模糊处理,包括均值和中值处理，掩模分别是3*3和5*5的(Fuzzy image processing)

说明：  聚类算法：也就是一种解决聚类问题的新型的算法(Clustering: Clustering is a solution to the problem of the new algorithm)

matlab 例子 能够更好的了解matlab环境 尤其是gui界面，帮助用户调高matlab语言编程能力！(matlab example matlab examplematlab examplematlab examplematlab examplematlab examplematlab example)