中文说明：本实验采用mnist数据库，对手写数字用SVM的方法进行分类。采用数据库的形式为mnist_all.mat，这种形式的数据库只有data没有label，所以我自己对它处理一下给test0-test9和train0-train9加上0-9的label。最后用SVM的方法进行分类，得出分类准确率
English Description：
In this study, mnist database of handwritten numbers SVM classification method. Using the database in the form of mnist_all.mat, this form of database only data no label, so I have to deal with what it test0-test9 and train0-train9 plus 0-9 label. Finally, the method of SVM classification, classification accuracy obtained