One coordinate through an LSTM cell

1. Retain

Previous cell value
ct−1 = 2.000

0.80

2. Add

Candidate value
gt = 0.800

0.50

New cell state ct

3. Expose

Bounded cell value

tanh()

0.70

Hidden state ht

One illustrative update. The previous cell value and candidate stay fixed; this is not a running sequence.