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variation
variation变换法求分形维数,编译过,可以用,很好(variation)
- 2010-12-23 11:07:02下载
- 积分:1
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fare
一个利用matlab实现的特征脸的提取程序,可作为其他程序的基础算法(an achievable using Matlab Eigenface the extraction procedure can be used as the basis for other procedures Algorithm)
- 2005-05-17 22:38:47下载
- 积分:1
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MyKmeans
实现聚类K均值算法: K均值算法:给定类的个数K,将n个对象分到K个类中去,使得类内对象之间的相似性最大,而类之间的相似性最小。 缺点:产生类的大小相差不会很大,对于脏数据很敏感。 改进的算法:k—medoids 方法。这儿选取一个对象叫做mediod来代替上面的中心 的作用,这样的一个medoid就标识了这个类。步骤: 1,任意选取K个对象作为medoids(O1,O2,…Oi…Ok)。 以下是循环的: 2,将余下的对象分到各个类中去(根据与medoid最相近的原则); 3,对于每个类(Oi)中,顺序选取一个Or,计算用Or代替Oi后的消耗—E(Or)。选择E最小的那个Or来代替Oi。这样K个medoids就改变了,下面就再转到2。 4,这样循环直到K个medoids固定下来。 这种算法对于脏数据和异常数据不敏感,但计算量显然要比K均值要大,一般只适合小数据量。(achieving K-mean clustering algorithms : K-means algorithm : given the number of Class K, n will be assigned to target K to 000 category, making target category of the similarity between the largest category of the similarity between the smallest. Disadvantages : class size have no great difference for dirty data is very sensitive. Improved algorithms : k-medoids methods. Here a selection of objects called mediod to replace the center of the above, the logo on a medoid this category. Steps : 1, arbitrary selection of objects as K medoids (O1, O2, Ok ... ... Oi). Following is a cycle : 2, the remaining targets assigned to each category (in accordance with the closest medoid principle); 3, for each category (Oi), the order of selection of a Or, calculated Oi Or replace the consumption-E (Or))
- 2005-07-26 01:32:58下载
- 积分:1
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373901518KPCA
核函数主成分分析,用于数据的特征提取,对于训练样本的降维有较好的效果(Kernel principal component analysis, feature extraction for data, which can effectively reduce the dimension of training samples, the better)
- 2015-03-19 08:55:01下载
- 积分:1
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waveridge_search
用模最大值法提取小波脊,该例中又两条小波脊,所以是多脊提取。同时又施加惩罚函数,控制lamda的值,可以得到较为平滑的小波脊。( using maximum modulus extract wavelet ridge, the case has two wavelet ridge, it is a multi-ridge extraction. At the same time to impose the penalty function to control the value of lamda,the extracted ridge can be relatively smooth .)
- 2020-11-15 20:59:42下载
- 积分:1
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scale_free
说明: 复杂网络中无标度网络特征的仿真源码。可以直接看出度分布的概率曲线。(Complex network characteristics of scale-free network simulation source code. Degree distribution can be seen that the probability curve.
)
- 2011-04-05 11:38:06下载
- 积分:1
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distilldata
自动删除数据文件中的字母,只读取其中的数字行~~~(Automatically delete the data file of letters, which read only the number of line ~ ~ ~)
- 2011-06-29 10:30:21下载
- 积分:1
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IntProgFZ1
matlab利用分支定界法求解整数规划的m函数文件,有详细的输入说明(matlab using the branch and bound method for solving integer programming m-function file, a detailed description of the input)
- 2011-12-12 14:42:02下载
- 积分:1
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1X4_power_splitter2
此程序模拟了17X11的正方形光子晶体点阵作为能量偏分器的动态过程。(This program simulates a 17X11 square photonic crystal lattice energy as a partial divider dynamic process.)
- 2014-01-16 11:36:10下载
- 积分:1
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no21
STK的二次开发,本例采用Matlab连接STK。实例调试通过。(STK secondary development, which in this case the use of Matlab to connect STK. Examples of debug through.)
- 2021-01-20 14:48:41下载
- 积分:1