中文说明：包含特征值与特征向量的提取、训练样本以及最后的识别，主要是基于mtlab的程序，使用起来非常方便，这个有中文注释，看得明白，一种流形学习算法（很好用），鲁棒性好，性能优越。
English Description：
Contains the characteristic value and characteristic vector of extraction, and, finally, the recognition of training samples, is mainly based on the mtlab program, very easy to use, the Chinese comments, understand it, a manifold learning algorithm (very good), the robustness and superior performance.