2 9 3 8 7 1 7 (a) Draw the tree filling out the nodes with their appropriate minimax values. (b) Now draw the search tree showing how alpha-beta pruning would work. (c) Explain the resulting differences between the two search trees. Are any of the interior nodes different? If so, what would justify using alpha-beta pruning if the result is a different search tree? Based on the search trees, what is the best sequence of moves for the agent and his/her opponent? (d) Suggest a simple modification to the ordering of the leftmost subtree that would reduce the number of computations in the alpha-beta case. 4 6 2 5 4

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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3
8
7
1
7
(a) Draw the tree filling out the nodes with their appropriate minimax values.
(b) Now draw the search tree showing how alpha-beta pruning would work.
(c) Explain the resulting differences between the two search trees. Are any of the interior nodes different? If so,
would justify using alpha-beta pruning if the result is a different search tree? Based on the search trees, what is the
best sequence of moves for the agent and his/her opponent?
what
(d) Suggest a simple modification to the ordering of the leftmost subtree that would reduce the number of
computations in the alpha-beta case.
2
6
2
5
4
Transcribed Image Text:9 3 8 7 1 7 (a) Draw the tree filling out the nodes with their appropriate minimax values. (b) Now draw the search tree showing how alpha-beta pruning would work. (c) Explain the resulting differences between the two search trees. Are any of the interior nodes different? If so, would justify using alpha-beta pruning if the result is a different search tree? Based on the search trees, what is the best sequence of moves for the agent and his/her opponent? what (d) Suggest a simple modification to the ordering of the leftmost subtree that would reduce the number of computations in the alpha-beta case. 2 6 2 5 4
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Search Tree:

Search trees are data structures that store data in an organized fashion in order to facilitate efficient searching. The data is stored in a tree-like structure with each node representing an item and each branch representing a relationship between two items. The data can then be searched in a recursive manner using algorithms such as depth-first or breadth-first search to quickly locate the item. Search trees are commonly used in databases, computer search algorithms, and other applications where data must be organized and searched efficiently.

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