Types of RNN 1) Plain Tanh Recurrent Nerual Networks 2) Gated Recurrent Neural Networks (GRU) 3) Long Short-Term Memory (LSTM) Tutorials The Unreasonable Effectiveness of Recurrent Neural Networks blog: http://karpathy.github.io/2015/05/21/rnn-effectiveness/ Understanding LSTM Networks blog: http://colah.github.io/posts/2015-08-Understanding-LSTMs/ blog(zh): http://www.jianshu.com/p/9dc9f41f0b29 A