numpy包中，与线性代数相关的模块——linalg（利那隔）

https://github.com/scalanlp/breeze/wiki/Linear-Algebra-Cheat-Sheet
https://docs.scipy.org/doc/numpy-1.13.0/reference/routines.linalg.html
http://blog.csdn.net/airfish20000/article/details/60880932
http://blog.csdn.net/bitcarmanlee/article/details/51945271