特征值分解， 奇异值分解

版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/qq_35865125/article/details/85851263

Ref:

https://en.wikipedia.org/wiki/Eigendecomposition_of_a_matrix

http://www.cnblogs.com/pinard/p/6251584.html

https://en.wikipedia.org/wiki/Diagonalizable_matrix

https://wenku.baidu.com/view/d14c5700e87101f69e319514.html