摘要：
所谓SVD，就是要把矩阵进行如下转换：A = USVTthe columns ofUare the eigenvectors of theAATmatrix and the columns ofVare the eigenvectors of theATAmatrix.VTis the transpose ofVandSis a diagonal matrix. By definition the nondiagonal elements of diagonal matrices are zero. The diagonal elements ofSare a special kind of 阅读全文
