TensorFLow 数学运算
https://blog.csdn.net/zywvvd/article/details/78593618
Tensorflow一些常用基本概念与函数(一)
https://www.cnblogs.com/wuzhitj/p/6648563.html
Arithmetic Operators
https://blog.csdn.net/wuguangbin1230/article/details/79768279
Huber Norm:Huber 范数
https://blog.csdn.net/richard_che/article/details/70242273