1. 完全理解RNN、RNN变体、seq2seq、attention机制
https://zhuanlan.zhihu.com/p/28054589
2. 详解LSTM
http://colah.github.io/posts/2015-08-Understanding-LSTMs/
3. Tensorflow中rnn正确打开方式,讲解rnn常见api
https://zhuanlan.zhihu.com/p/28196873
4. 讲解 RNN LSTM
https://yjango.gitbooks.io/superorganism/content/%E9%80%92%E5%BD%92%E7%A5%9E%E7%BB%8F%E7%BD%91%E7%BB%9C.html