[{"title":"( 2 个子文件 1KB ) 主成分分析(PCA)的MATLAB程序","children":[{"title":"主成分分析","children":[{"title":"zhuchengfenhuigui.m <span style='color:#111;'> 1.81KB </span>","children":null,"spread":false},{"title":"zcfdyzj.m <span style='color:#111;'> 780B </span>","children":null,"spread":false}],"spread":true}],"spread":true}]