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,m)) return jdef clipAlpha(aj,H,L): if aj > H: aj = H if L > aj: aj = L return ajdef smoSimple(dataMatIn, classLabels, C, toler, maxIter): dataMatrix = mat(dataMatIn); labelMat = mat(classLabels).transpose() b = 0; m,n = shape(dataMatrix) alphas = mat(zeros((m,1))) iter = 0 while (iter The running result is shown in figure 8: (Figure 8) If you are interested in the above code, you can read it. If you use it, we recommend using libsvm. References: [1]

1. What is manifoldManifold Learning Viewpoint: We think that the data we can observe is actually mapped by a low-dimensional pandemic to a high-dimensional space. Due to the limitations of the internal characteristics of the data, some of the data in the higher dimensions produce redundancy on the dimension, which in fact can be represented only by a lower dimension. So intuitively speaking, a manifold is like a D-dimensional space, in a m-dimensiona

Liblinear instead of LIBSVM 2.Liblinear use, Java version Http://www.cnblogs.com/tec-vegetables/p/4046437.html 3.Liblinear use, official translation. http://blog.csdn.net/zouxy09/article/details/10947323/ http://blog.csdn.net/zouxy09/article/details/10947411 4. Here is an article, write good. Transferred from: http://blog.chinaunix.net/uid-20761674-id-4840097.html For the past more than 10 years, support vector machines (SVM machines) have been the most influential algorithms in

very good. But the immune algorithm can develop better in the next 2 years. Under such circumstances, what is better than learning?? I think. Suppose you have advanced mathematical skills, very good thinking. There are a lot of creative friends, and my advice is to develop new algorithms. Like the immune algorithm class. Of course it would be better if we could create a bee-building algorithm. It is expect

Hello everyone, I am mac Jiang. See everyone's support for my blog, very touched. Today I am sharing my handwritten notes while learning the cornerstone of machine learning. When I was studying, I wrote down something that I thought was important, one for the sake of deepening the impression, and the other for the later review.Online

goals are: Researchers add features as they need them. We avoid getting bogged down by too much top-down planning in advance. A Machine Learning Toolbox for easy scientific experimentation. All models/algorithms published by the LISA Lab should has reference implementations in PYLEARN2. PYLEARN2 may wrap other libraries such as Scikits.learn if this is practical PYLEARN2 differs from Scikits.le

Project applicability analysis of main machine learning algorithmsSome time ago Alphago with the Li Shishi of the war and related deep study of the news brush over and over the circle of friends. Just this thing, but also in the depth of machine learning to further expand, and the breadth of

of the most important aspects of machine learning is regularization and regularization, which will be detailed in subsequent chapters. Here is an intuitive understanding. The most common regularization item is the model of the constraint parameter. The following formula is used to constrain W: If y is a linear equation, the formula (1.4) is ridge regression. In Figure 1.7, we can see that the changed v

and regularization, which will be detailed in subsequent chapters. Here is an intuitive understanding. The most common regularization item is the model of the constraint parameter. The following formula is used to constrain W: If y is a linear equation, the formula (1.4) is ridge regression. In Figure 1.7, we can see that the changed value can have a huge impact on the model. When M = 9 is still used, it can be better fitted by adding it to the regularization item. Of

(SVM) training algorithm can be classified into one of two categories after being entered into a new case, making itself a non-probabilistic binary linear classifier.The SVM model represents the training cases as points in space, which are mapped to a picture, separated by an explicit, widest possible interval to differentiate between two categories.Algorithm explanation: Support vector machine for machine

This article is part of the third chapter of "Neural networks and deep learning", which describes how to select the value of the initial hyper-parameter in the machine learning algorithm. (This article will continue to add)Learning Rate (learning rate,η)When using the gradie

TensorFlow integrates and implements a variety of machine learning-based algorithms that can be called directly.Supervised learning1) Decision Trees (decision tree)Decision tree is a tree structure, providing people with decision-making basis, decision tree can be used to answer yes and no problem, it through the tree structure of the various situations are represented, each branch represents a choice (sele