Refer to the following links to learn more about RNNs:
- Fundamentals of Recurrent Neural Network (RNN) and Long Short-Term Memory (LSTM) Network, by Alex Sherstinsky, https://arxiv.org/pdf/1808.03314.pdf
- Handwriting generation by RNN with TensorFlow, based on Generating Sequences With Recurrent Neural Networks by Alex Graves, https://github.com/snowkylin/rnn-handwriting-generation