An improvement over “agent”s. Learns from its experiences.
Performance element
Takes in percepts and decides on actions. What is meant by “agent” until now.
Critic
Evaluates how the agent is performing and gives feedback.
Learning element
Takes feedback from the critic and modifies the performance element to do better in the future.
Problem generator
Suggests exploratory actions leading to new and informative experiences. These actions may be suboptimal, but will lead to the discovery of better actions. Learn through mistakes.