# Difference between revisions of "Gated Recurrent Unit"

A Gated Recurrent Unit (GRU) is a hidden unit that is a sequential memory cell consisting of a reset gate and an update gate but no output gate.

## References

### 2014a

Figure 1: Illustration of (a) LSTM and (b) gated recurrent units. (a) $i$, $f$ and $o$ are the input, forget and output gates, respectively. $c$ and $\tilde{c}$ denote the memory cell and the new memory cell content. (b) $r$ and $z$ are the reset and update gates, and $h$ and $\tilde{h}$ are the activation and the candidate activation.