The first unit is very introductory and mainly explains some terminology. My summary of the unit would be:
Unit 1: Welcome to Ai
Some terminology:
Intelligent Agent = AI program
Interface with Environment by sensors and actuators
Perception Action Cycle: Perceive the environment by processing Sensor information and decide how to Act using its Actuators
Attributes of Environments:
Fully or Partially Observable:
Fully Observable - where entire environment state is seen all the time. For example chess or checkers
Partially Observable - where part of the environment state is not visible at any instant. For example Poker or Dominos
Deterministic or Stochastic:
Deterministic - no randomness. For example chess.
Stochastic - randomness. Coin toss, dice based games.
Discrete or Continuous:
Discrete - finite amount of states. Example board games, card games, coin flips.
Continuous - infinite amount of states. Example Darts, self driving car, speech recognition
Benign or Adversarial:
Benign - the environment does not react to your actions with an objective that contradicts your objective. Example the weather, roulette, solitaire.
Adverserial - the environment has an objective that is contradictory to your objective and actively observes your actions and reacts to impede your objective. Ex. Chess
AI can also be thought of as Uncertainty Management
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