Vanilla rnns RNNs have Memory The computational graph of an rnn can be folded in time Black squares denotes memory access C (Ct-1) C (cr+) a(0 a(4+1) Unfold H (2) (2) awi anl, mAy a(a、UFa) x x(-) x(0 x(+1)Vanilla RNNs ▪ RNNs have Memory The computational graph of an RNN can be folded in time Black squares denotes memory access