• views: 206
• date: 2 April 2026
• posted by: voska89

Learn RL intuitively from scratch with hands-on implementations of REINFORCE, Actor-Critic, PPO, DQN, and RLHF (Pytorch)

What you'll learn

✓ Understand the intuition behind reinforcement learning and how it differs from supervised learning and imitation learning
✓ Implement REINFORCE, Actor-Critic, PPO, and DQN from scratch using Pytorch
✓ Use OpenAI Gym environments to train and evaluate reinforcement learning agents
✓ Understand how modern RL algorithms are categorized (model-free, model-based, offline RL)
✓ Understand how RL is used in training LLMs (RLHF, PPO, DPO)

Requirements

● Basic Python programming
● Familiarity with PyTorch or deep learning frameworks
● Basic understanding of machine learning and neural networks

Description

Reinforcement Learning (RL) is one of the most powerful areas in machine learning — but also one of the hardest to learn. Most RL courses are either too theoretical or too shallow.
Note: This course is taught in Arabic (with English technical terminology).
## What makes this course different?
- Intuition-first approach: we start from supervised learning and build up to RL
- Hands-on implementation: all algorithms are implemented from scratch
- Practical focus: you will work with real environments using OpenAI Gym
- Covers modern topics like RLHF (used in fine-tuning LLMs)
- Includes GitHub repositories for deeper exploration and experimentation
## What you will learn
- Understand the intuition behind reinforcement learning and how it differs from supervised learning and imitation learning
- Implement REINFORCE, Actor-Critic, PPO, and DQN from scratch using PyTorch
- Use OpenAI Gym to train and evaluate RL agents
- Understand key RL concepts: MDPs, value functions, policy gradients
- Learn how RL is used in fine-tune large language models (RLHF, PPO, DPO)
## Course structure
We build understanding step-by-step
1. From supervised learning to imitation learning
2. Introduction to reinforcement learning and REINFORCE
3. Actor-Critic methods
4. Proximal Policy Optimization (PPO)
5. Value-based methods (Q-learning and DQN)
6. Model-based RL and offline RL (high-level)
7. Advanced topics (stability, continuous actions, POMDPs)
8. Reinforcement Learning from Human Feedback (RLHF)
##

Who this course is for

■ Machine learning engineers who want to understand reinforcement learning in practice
■ Undergraduate and postgraduate students in AI/ML
■ Anyone interested in understanding how RL is used in modern systems like LLMs (RLHF)

Homepage

https://www.udemy.com/course/practical-reinforcement-learning-ppo-dqn-rlhf

   
   
   

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