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@polynomial
VC维理论和结构风险最小化准则是统计学习理论中的重要内容,基于这一理论的支持向量机算法由于具有好的泛化性能受到重视,并被研究用于文本分类问题.基于多项式核的研究工作认为SVM的泛化能力不受多项式阶数的影响,并且能够处理很高维的分类问题,用于文本分类无需进行特征选择.研究发现,随着多项式核阶数的升高,SVM文本分类器会出现过学习现象,并且特征数越多越明显,特征选择是必需的.通过估计函数集的VC维,基于结构风险最小化理论对此问题进行分析,得出的结论跟实验结果相符.
(err)
- 2008-01-08 21:41:08下载
- 积分:1
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optical_tools_matlab1
光学工具编程,利用MATLAB对光学中的各种应用编程(Optical tools programming, the use of MATLAB in a variety of optical application programming)
- 2010-10-25 15:08:50下载
- 积分:1
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yuanlaideqiehuan
说明: 自己做的matlab的实现FUZZY和PID控制互相切换的仿真!!(Matlab own realization of the FUZZY and PID control to switch the simulation with each other!!)
- 2009-07-31 20:04:09下载
- 积分:1
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BISPECDX
高阶谱估计的函数方程,很有用处,也是用于检测被高斯信号淹没的信号(higher order spectral estimation function equation, useful, as well as for detecting submerged by the Gaussian signal signal)
- 2006-10-14 16:45:23下载
- 积分:1
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Digital-Signal-Processing
数字信号处理--理论与实践 王大伦
数字信号处理--理论与实践 王大伦(Digital Signal Processing- Theory and Practice Wang Tailun)
- 2011-10-23 16:57:08下载
- 积分:1
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PCA
主成分分析并用散点图分析前三个主成分M代码,请指教。(Principal component analysis and scatter analysis of the first three principal components M code, please advice.)
- 2007-08-17 23:29:29下载
- 积分:1
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MATLAB-control-system-simulation-
这个是关于matlab的,里面有matlab的大量可供参考的案例,还有几个ppt也是这方面的,比较好,分享给大家。(This is mainly the MATLAB language and control system simulation, there are a large number matlab reference case, there are a few ppt is in this respect, better, to others.)
- 2011-06-19 11:09:46下载
- 积分:1
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tuxiangpeizhun
此程序是在MATLAB下进行图像配准,通过归一化互相关来确定图像配准的区域。(This program is for image registration in MATLAB, by normalized cross-correlation to determine the image registration area.)
- 2014-12-12 17:54:57下载
- 积分:1
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channel_estimation
基于DFT的信道估计,采用线性或样条插值的LS或DFT信道估计(Channel estimation based on DFT, the use of linear or spline interpolation LS or DFT channel estimation)
- 2015-04-07 19:18:19下载
- 积分:1
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matlabsignalprocessingrar
1.本书包含的实例所使用的源程序清单,文件夹第3章~第7章分别包括各章节内的实例源程序。
2.源程序文件名与所在章节和实例序号对应,如:3_1.m为第三章实例一【例3_1】的源程序。
3.文件夹tftoolbox为2002版的时频工具箱,第六章“非平稳信号分析与处理”需要用到该工
具箱的部分函数。请将其拷贝到用户的MATLAB工作路径(如D:R2006awork)
4.各章节的M文件已在MATLAB R2006a环境下调试通过,拷贝到用户的MATLAB工作路径(如 D:R2006awork)下即可运行。(1. This book contains examples of source code used in the list of folders in Chapter 3 ~ Chapter 7, respectively, including the section within the source code examples. 2. Source file name and serial number where the corresponding chapters and examples, such as: 3_1.m for example Chapter 1 3_1】 【Example of the source. 3. Tftoolbox folder for the 2002 version of the Time-Frequency Toolbox, Chapter VI, " Non-stationary signal analysis and processing" required to use part of the toolbox functions. I would be grateful if a copy job to the user' s MATLAB path [such as D: R2006a work] 4. Of all sections of M are available at MATLAB R2006a debugging environment through, copy to the user' s job MATLAB path [such as D: R2006a work ] to run under.)
- 2009-02-21 16:49:46下载
- 积分:1