这个小程序也还是自己根据pca的定义编的哦，传上来仅供参考，大家一起讨论讨论哈-This applet is still its own series based on the definition of the pca Oh, Chuan-up is for reference only and we can work together to discuss to discuss Kazakhstan

利用主分量分析(PCA)进行模式识别，包括主分量分析运算的主要函数，以及相关应用的例子。-Using principal component analysis (PCA) for pattern recognition, including the principal component analysis of the main function of computing, and related application example