Artificial Intelligence: A Modern Approach
Artificial Intelligence: A Modern Approach
3rd Edition
ISBN: 9780136042594
Author: Stuart Russell, Peter Norvig
Publisher: Prentice Hall
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Chapter 2, Problem 11E

a.

Explanation of Solution

Simple reflex agent being rational

  • Unless the agent randomizes, it will stuck forever against a wall when it tries to move in a direction that is blocked...

b.

Explanation of Solution

Simple reflex agent with randomized agent function

  • One possible design that cleans up dirt or otherwise moving randomly is

    (defun randomized-reflex-vacuum-agent (percept)

    (destructuring-bind (location status) percept

    (...

c.

Explanation of Solution

Randomized agent performing poorly

  • Students wish to measure clean-up time for linear or square environments...

d.

Explanation of Solution

Randomized agent with state outperforming simple reflex agent

  • Rational behaviour in unknown environments is a complex one and is worth encouraging...

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the knowledge-based agent is not an arbitrary program for calculating actions. It is amenable to a description at the knowledge level, where we need specify only what the agent knows and what it goains are, in order to fix its behavior. Give an Example:
A. What has to be done if there is any change in the environment properties for a simple reflex agent? Answer: B. Name one advantage and one disadvantage of bidirectional heuristic search? Also, when can't we use the bidirectional search? Answer: C. Is it possible for an unknown environment to be fully observable? Justify your answer. Answer:
Consider an agent for a vacuum cleaner environment in which the geography of the environment (extent, boundaries, and obstacles) is unknown as is the initial dirt configuration. The agent can go up and down as well as left and right. Can a simple reflex agent be perfectly rational for this environment? Explain in a few sentences using an example scenario
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