artificial intelligence

1. INTELLIGENT AGENTS
Presented By:- Suveeksha Jain
College:- SJEC
Class:- Mtech 2 sem

2. CONTENTS
 Agents and Environments
 Good Behavior: The concept of Rationality

3. AGENT
 An agent is anything that can be viewed as
perceiving its environment through sensors and
acting upon that environment through actuators.
 Consider the example of human as agent and eyes,
ear for sensors and hands, leg for actuators.
 We can consider even robotics and software as
agents.

4.  Percept:
 It refers to the agents perceptual inputs at any given
instant.
 Percept sequence:
 Complete history of everything the agent has ever
perceived.

5. Agents interact with environment through sensors and
actuators
Enviro
nment
Agents
Sensors
Actuators
Percept
Actions

6. AGENT FUNCTION
Mathematically, we say that agent’s behavior is
described by the agent function that maps any given
percept to an action.
It is abstract mathematical description.
AGENT PROGRAM
It is a implementation, running within some physical
system

7. GOOD BEHAVIOR:THE CONCEPT OF RATIONALITY
 Rational agent:
 It is the one that does the right thing.
 Every entry in the table for the agent function is
filled out correctly.
 Performance measure:
 Sequences of actions causes the environment to
go through a sequence of states.If the sequence is
desirable then the agent has performed well.
 It evaluates the any sequence of environment
states.

8. Rationality
 Rational at any given time depends on four things
 The performance measure that defines the criterion
of success.
 The agents prior knowledge of the environment.
 The actions that the agent can perform.
 The agents percept sequence to date.

9. DEFINITION OF RATIONAL AGENT
 For each possible percept sequence, a rational
agent should select an action that is expected to
maximize its performance measure, given the
evidence provided by the percept sequence and
whatever built-in knowledge the agent has.

10. OMNISCIENCE
 Omniscient agent knows the actual outcome of its
actions and can act accordingly;but omniscience is
impossible in reality.
INFORMATION GATHERING
Doing actions in order to modify future percepts is
called as information gathering.

11. AUTONOMY
 Agent relies on the prior knowledge of its
designer rather than on its own percepts,we say
that agent lacks autonomy.
 A Rational agent not only gather information but
also learn as much as possible from what it
perceives.
 Agents initial configuration reflect the prior
knowledge of the environment.
LEARNING

12. THANK YOU