Question: What is the main purpose of the forget gate in an LSTM?

Options:

1. To decide what information to keep from the previous cell state.
2. To initialize the cell state.
3. To output the final prediction.
4. To control the input to the cell state.

Correct Answer: To decide what information to keep from the previous cell state.

Solution:

The forget gate in an LSTM determines what information from the previous cell state should be discarded.