Reinforcement Learning 103: Approximate Methods

Approximate model-free RL: function approximation, regression targets, loss functions, semi-gradient TD, approximate SARSA, Expected SARSA, Q-learning, and the deadly triad.

June 23, 2026 · 19 min · Mateusz Pieniak

Reinforcement Learning 102: Q-learning & SARSA

Model-free RL: Monte Carlo and Temporal Difference control, Q-learning, SARSA, Expected SARSA, and exploration.

June 21, 2026 · 27 min · Mateusz Pieniak