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Learn AI with Python · Lesson

Q-Table Concept

Table-based reinforcement learning.

1

Q-Table Concept

The Q-Table is a core concept in reinforcement learning. It is a lookup table where each entry represents the expected reward for taking a specific action in a given state.

The goal is to learn the Q-values, which guide the agent to take the best actions for maximum rewards.

Q-Table Concept — illustration 1

2

Structure of a Q-Table

The Q-Table is structured as:

  • Rows: Represent states of the environment.
  • Columns: Represent actions available to the agent.
  • Values: Represent the Q-value for state-action pairs.

The agent updates these values during learning.

All lessons in this course

  1. Basic Concepts in Reinforcement Learning
  2. Q-Table Concept
  3. Implementing Q-Table in Python
  4. Deep Q-Learning
  5. Exploring OpenAI Gym
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