V1 U1 ՂԱԶ 02 04 V3 10 10 2 4 8 3 0 3 7 9 0 12 Figure 2: A minimax search tree.

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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Let's look at the minimax search tree illustrated in Figure 2. In this diagram, black nodes represent decisions made by the MAX player, while white nodes represent decisions made by the MIN player. The squares at the terminal nodes represent payments, with the number indicating the amount paid from MIN to MAX (a 0 indicates no payment from MIN to MAX). MAX aims to maximize the payment they receive, while MIN aims to minimize the payment they make. If we apply the α-β pruning algorithm, we can analyze the minimax tree as shown in Figure 2.

(a) Assume that we iterate over nodes from right to left; what are the arcs that are pruned
 by α-β pruning, if any?

(b)Does you answer change if we iterate over nodes from left to right?

V1
U1
ՂԱԶ
02
04
V3
10
10
2
4
8
3
0
3
7 9
0
12
Figure 2: A minimax search tree.
Transcribed Image Text:V1 U1 ՂԱԶ 02 04 V3 10 10 2 4 8 3 0 3 7 9 0 12 Figure 2: A minimax search tree.
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