_:nf439275be76148be954a9ab4ecb770d4xb69
<http://schema.org/reviewBody>
"Hope can elaborate the backpropagation of RNN much more. BP through time is a bit tricky though we do not need to think about it during implementation using most of existing deep learning frameworks."
<https://www.coursera.org/learn/nlp-sequence-models/reviews?authMode=signup&page=109>