Learning agents

•It allows the agent to operate in unknown environment.

    4 components:

   1) Learning element.

   2) Performance element.

   3) Critic.

   4) Problem generator.

•Learning element:

    Responsible for making improvements.

•Performance element:

    Responsible for selecting external action. (entire agent)-Percepts and decides on action.

•Critic:

    Learning element uses feedback from critic-how the agent ids doing, how the performance element should be modified to do better in future. 
•Problem generator:

   Responsible for suggesting actions that will lead to new and informative experiences.