Reinforcement Learning

  Based on Reinforcement Learning: An Introduction by Sutton & Barto (2018)

  All Series

• Part 1: A Comprehensive Introduction to Reinforcement Learning (RL)

  7 min read  ·  April 01, 2026

• Part 2: The Multi-Armed Bandit – Mastering the Art of Choices

  6 min read  ·  April 02, 2026

• Part 3: Stepping into the World – Tabular Value-Based Methods

  9 min read  ·  April 03, 2026

• Part 4: A Cliffhanger - Comparing SARSA, Q-Learning, and Expected SARSA

  7 min read  ·  April 06, 2026

• Part 5: Breaking the Table – Function Approximation

  6 min read  ·  April 07, 2026

• Part 6: Cutting Out the Middleman – Policy Gradient Methods

  6 min read  ·  April 08, 2026

• Part 7: The Complete Alignment Pipeline — From SFT to Advanced RL

  A complete guide to how PPO, DPO, and GRPO transform language models from pattern copiers into reasoning agents.

  8 min read  ·  April 08, 2026