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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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MATLAB-code
本代码包含了多个MATLAB经典程序,其中有:滤波器,线性变换,图像处理等(This code contains a number of MATLAB classical procedures, including: filters, linear transform, image processing, etc.)
- 2013-11-04 14:22:08下载
- 积分:1
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fspecial
matlab中fspecial函数的C++实现(Matlab implementation of fspecial function in C++
)
- 2016-12-28 11:31:14下载
- 积分:1
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DC_motor_Lag_PID
speed control of dc motoer
- 2010-07-07 15:10:17下载
- 积分:1
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PCS01_key
Matlab code for sphit code and its use in compresion details
- 2013-09-02 17:43:04下载
- 积分:1
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Desktop
在故障诊断中,对振动信号进行小波分析时候需要用到的小波尺度谱应用程序。(In fault diagnosis, wavelet analysis for vibration signal when the need to use the application spectrum of the wavelet scale.)
- 2014-12-07 11:08:16下载
- 积分:1
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ARIMA
时间序列预测ARIMA模型,这是一种基于风速数据的预测程序。(ARIMA time series forecasting model, which is a program based on the forecast wind speed data.)
- 2011-11-26 12:55:23下载
- 积分:1
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msk
This is an example of creating an MSK signal
- 2010-09-07 01:40:00下载
- 积分:1
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matlab
本书介绍了
统计、绘图、求微积分、解微分方程、解ODE、变换、曲线拟合、特殊函数……很多的高
数方面的应用,还附有习题和答案。(Statistics, graphics, seeking calculus of differential equations, solution of the ODE, transform, curve fitting, special functions ... a lot of high-
Several areas of application, accompanied by exercises and answers.)
- 2012-05-13 16:42:09下载
- 积分:1
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xindianfromnoise
为什么总是存在了呢?这是用c编的在matlab上实现的信号提取识别源码(Why is always there for them this is the series c achieved in the Matlab Signal Extraction identify source)
- 2007-05-09 10:18:40下载
- 积分:1