理解奇异值分解SVD和潜在语义索引LSI（Latent Semantic Indexing）

https://blog.youkuaiyun.com/xiaocong1990/article/details/54909126

https://www.cnblogs.com/bentuwuying/p/6219970.html

https://blog.youkuaiyun.com/callejon/article/details/49811819

转载于:https://www.cnblogs.com/imageSet/p/8794005.html