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Matlab-high-level
一本用于matlab学习的电子书籍,对初学者有很大的帮助。(A book to learn matlab, electronic books, has a great help for beginners.
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- 2013-11-18 14:45:47下载
- 积分:1
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熵权法
熵权法求权数,是matlab直接可以使用的熵权法函数,适用于各种求权情况(Entropy weight method is a function of entropy weight method directly used by MATLAB, which is suitable for all kinds of claims.)
- 2018-02-10 13:32:52下载
- 积分:1
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kaerman-object-tracking
卡尔曼滤波器实现的视频目标跟踪程序,可以直接实现,对于理解该滤波器有重要作用……(Kalman filter video target tracking procedures, can be directly implemented an important role in understanding the filter ...)
- 2013-01-03 23:43:36下载
- 积分:1
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ridcomfort
计算加权加速度,车辆平顺性数据分析,用来得到加权加速度均方根值(Calculation of the weighted acceleration, the ride comfort of the vehicle data analysis, used to get the root-mean-square value of weighted acceleration)
- 2012-02-15 16:03:02下载
- 积分:1
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giefou
基于人工神经网络的常用数字信号调制,包括脚本文件和函数文件形式,窗函数法设计一个数字带通FIR滤波器。( The commonly used digital signal modulation based on artificial neural network, Including script files and function files in the form, A window function design FIR digital band-pass filter.)
- 2021-04-19 10:18:52下载
- 积分:1
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sourcecode_pvd
this is the source code for pixel value difference
- 2011-02-06 00:01:29下载
- 积分:1
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HW_2_Simluation
a fuzzy implement with matlab
- 2012-07-01 03:11:04下载
- 积分:1
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dataset
Data sets include far more ancillary information than simple tables of numbers and the DataSet Object (DSO) was designed as a generic container that can hold all of this information. The standard DataSet object is similar to a Matlab structure but it is intended to standardize how data is organized and maintained. It was originally designed in 2000 by a consortium of chemical and engineering industry experts to contain the kinds of data that they worked with in real applications. It has been updated numerous times since then to add relevant functionality needed for multivariate analysis of physical science and engineering data.
- 2013-04-08 03:56:35下载
- 积分:1
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roof
CODE FOR COMPUTATIONAL FRACTAL. YOU CAN USE IN MATLAB SOFTWARE.
- 2013-10-19 04:30:04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