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ConjugateGradientMethodMatlabProgram
简明扼要的介绍了共轭梯度法matlab程序(Concise introduction to the conjugate gradient method matlab program)
- 2009-05-13 17:58:44下载
- 积分:1
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123BinDwt97
实现二进9/7小波变换的一个例子,对深入理解小波变换有帮助。(into achieving two 9/7 wavelet transform an example, in-depth understanding of wavelet transform help.)
- 2006-06-04 09:24:42下载
- 积分:1
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adaboost
AdaBoost元算法属于boosting系统融合方法中最流行的一种,说白了就是一种串行训练并且最后加权累加的系统融合方法。
具体的流程是:每一个训练样例都赋予相同的权重,并且权重满足归一化,经过第一个分类器分类之后,
计算第一个分类器的权重alpha值,并且更新每一个训练样例的权重,然后再进行第二个分类器的训练,相同的方法.......
直到错误率为0或者达到指定的训练轮数,其中最后预测的标签计算是各系统*alpha的加权和,然后sign(预测值)。
可以看出,训练流程是串行的,并且训练样例的权重是一直在变化的,分错的样本的权重不断加大,正确的样本的权重不断减小。
AdaBoost元算法是boosting中流行的一种,还有其他的系统融合的方法,比如bagging方法以及随机森林。
对于非均衡样本的处理,一般可以通过欠抽样(undersampling)或者过抽样(oversampling),欠抽样是削减样本的数目,
过抽样是重复的选取某些样本,最好的方法是两种进行结合的方法。
同时可以通过删除离决策边界比较远的样例。
(AdaBoost boosting systems dollar fusion algorithm is the most popular one, it plainly systems integration approach is a serial train and final weighted cumulative.
Specific process is: Each training example is given equal weight, and the weights satisfy normalization, after the first classifiers after
Calculating a first classifier weights alpha value for each sample and updates right weight training, and then the second classifier training, the same way .......
0, or until the specified error rate training rounds, wherein the label is the calculation of the final prediction system* alpha weighted and then sign (predicted value).
As can be seen, the training process is serial, and weight training examples is always changing, the right of the wrong sample weight continued to increase, the right to correct sample weight decreasing.
AdaBoost algorithm is an element, as well as other methods of boosting popular systems integration, such as bagging and random forest method.
For )
- 2014-07-09 19:24:29下载
- 积分:1
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MR
说明: 非性多变量系统递归辨识算法,同时, 也对这些算法的估计一致性问题进行了讨论,具有效果还可以(Recurrent identification algorithms for non-linear multivariable systems are discussed. The estimation consistency of these algorithms is also discussed. The results show that the algorithm is effective and can be used to identify non-linear multivariable systems.)
- 2018-10-06 15:55:00下载
- 积分:1
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Economic Dispatch
Generic algorithm for optimizing cost coefficients
- 2018-11-01 18:55:47下载
- 积分:1
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ma11
例子程序,学习matlab的号程序,可以运行的调试过了的。(Examples of procedures, the No. matlab learning process, the debugger can run over it.)
- 2007-09-08 16:57:15下载
- 积分:1
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wavelet-design-codes
这是一本很权威的由张德峰老师编写的小波分析的书相应的源代码(This is a very authoritative and written by Zhang Defeng teacher' s book of wavelet analysis the source code)
- 2011-04-24 11:47:08下载
- 积分:1
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MATLAB
matlab学习书籍 内容讲述详细 包括最近比较先进的一些算法(Matlab learning books content described in detail including some recent algorithms more advanced)
- 2015-01-12 17:23:31下载
- 积分:1
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matlab-baodian-yuanwenjian
说明: matlab宝典的很多程序和实例,这本书很有用,是系统学习matlab的好资料,欢迎大家下载.(Collection of the many procedures and matlab examples, this book is useful, is the systematic study of matlab good information, are welcome to download.)
- 2011-03-21 23:19:26下载
- 积分:1
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PMSM_SMO
一个永磁电机的滑模观测器模型,可以较好的的实现位置跟踪。(adaptive sliding mode observer can accurate estimate the speed and position,of rotor and has strong robustness against the change of generator parameters .)
- 2012-05-17 20:11:32下载
- 积分:1