Refer to image! Provide good diagrams as well! 1. This problem exercises the basic concepts of game playing, using tic-tac-toe (noughtsand crosses) as an example. We define Xn as the number of rows, columns, or diagonalswith exactly n X's and no Os. Similarly, On is the number of rows, columns, or diagonalswith just n Os. The utility function assigns +1 to any position with X3=1 and -1 to anyposition with 03=1. All other terminal positions have utility O. For nonterminal positions,we use a linear evaluation function defined as Eval(s)=3X2(s)+X1(s)-(3 02 (s)+ 01(s)).a.Approximately how many possible games of tic-tac-toe are there?b.Show the whole game tree starting from an empty board down to depth 2 (i.e.,one X and one on the board), taking symmetry into account.C. Mark on your tree the evaluations of all the positions at depth 2.d. Using the minimax algorithm, mark on your tree the backed-up values for thepositions at depths 1 and 0, and use those values to choose the best startingmove.

This problem exercises the basic concepts of game playing, using tic-tac-toe (noughts nd crosses) as an example. We define Xn as the number of rows, columns, or diagonals with exactly n X's and no Os. Similarly, On is the number of rows, columns, or diagonals with just n Os. The utility function assigns +1 to any position with X3=1 and -1 to any osition with 03=1. All other terminal positions have utility O. For nonterminal positions, ve use a linear evaluation function defined as Eval(s)=3X2(s)+X1(s)-(3 02 (s)+ 01(s)). a. Approximately how many possible games of tic-tac-toe are there? b. Show the whole game tree starting from an empty board down to depth 2 (i.e., one X and one on the board), taking symmetry into account. c. Mark on your tree the evaluations of all the positions at depth 2. d. Using the minimax algorithm, mark on your tree the backed-up values for the positions at depths 1 and 0, and use those values to choose the best starting move.

This problem exercises the basic concepts of game playing, using tic-tac-toe (noughts nd crosses) as an example. We define Xn as the number of rows, columns, or diagonals with exactly n X's and no Os. Similarly, On is the number of rows, columns, or diagonals with just n Os. The utility function assigns +1 to any position with X3=1 and -1 to any osition with 03=1. All other terminal positions have utility O. For nonterminal positions, ve use a linear evaluation function defined as Eval(s)=3X2(s)+X1(s)-(3 02 (s)+ 01(s)). a. Approximately how many possible games of tic-tac-toe are there? b. Show the whole game tree starting from an empty board down to depth 2 (i.e., one X and one on the board), taking symmetry into account. c. Mark on your tree the evaluations of all the positions at depth 2. d. Using the minimax algorithm, mark on your tree the backed-up values for the positions at depths 1 and 0, and use those values to choose the best starting move.

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

Problem 1PE

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