adaboost算法的训练和测试代码，简单的实例(The aim of the project is to provide a source of the meta-learning algorithm known as AdaBoost to improve the performance of the user-defined classifiers.)

BOOSTING算法中经典的adaboost算法实例，亲测可用~(BOOSTING algorithm, the classic example of AdaBoost algorithm, pro test can be used ~!)