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In Matlab Create a single script (.m file) to solve these problems. Unless directed otherwise, use...

In Matlab

Create a single script (.m file) to solve these problems. Unless directed otherwise, use meaningful variable names for each variable; do not use the default variable ans to store your results. For this project, suppress your output with semi-colons (;). Each problem should be in a separate cell, using the cell mode feature of MATLAB.

Problem 4

Video games are rather complicated to program, not least of which because of the graphics work that needs to be completed to finish a video game. Still, even relatively simple games have historically had a chance of becoming popular (e.g. Tetris®). Since you are learning to program for the first time, let's look at a text-only game.

Write a program that has the computer generate a pseudorandom integer between -100 and +100, and ask the user to guess what the number is. To generate the pseudorandom number, research and use the randi command. If the user's guess is higher than the computer-generated pseudorandom number, print a statement to that effect. If the user's guess is lower than the computer-generated pseudorandom number, print a statement to that effect. Keep track of how many guesses it takes for the user to guess the right number, and print that information to the screen when the program terminates. Do not re-initialize the computer-generated pseudorandom number between iterations, otherwise the user will have a hard time trying to guess the computer-generated pseudorandom number.

Validate the user's input; if the user enters a number greater than 100 or less than -100, prompt the user to enter a number within the guess range. Do not count guesses out of range (i.e. greater than 100 or less than -100) as an iteration. Do not concern yourself with testing if the user entered non-numeric input, and assume that the user will enter an integer value. If the user enters the value inf, terminate the program (though count that iteration as a valid iteration for the purposes of seeing how many times the program iterated).

Use no more than two while loops to solve this problem, and emulate the output format in these two sample runs:

Sample Run #1 (with a computer-generated value of 9):

Enter your guess: 8
Sorry, your guess was too low. Please try again.

Enter your guess: 10
Sorry, your guess was too high. Please try again.

Enter your guess: 9

You guessed the correct value!

The correct value was 9.
The program iterated 3 times.


Sample Run #2 (with a computer-generated value of -3):

Enter your guess: 100
Sorry, your guess was too high. Please try again.

Enter your guess: -100
Sorry, your guess was too low. Please try again.

Enter your guess: inf

You asked to terminate the program.

The correct value was -3.
The program iterated 3 times.

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Homework Answers

Answer #1

Code:

clear all;
clc;

upperLimit = 100;
lowerLimit = -100;
n = randi([lowerLimit,upperLimit]);

iterations = 0;

while(1)
iterations++;
inp = input('Enter your guess:');
if inp==inf
disp('You asked to terminate the program.');
break
elseif inp > upperLimit || inp < lowerLimit
fprintf('Please enter the number within the range [%d, %d], try again.\n', lowerLimit, upperLimit);
elseif inp>n
disp('Sorry, your guess was too high. Please try again.');
elseif inp<n
disp('Sorry, your guess was too low. Please try again.');
else
disp('You guessed the correct value!');
break
end
end

fprintf('The correct value was %d.\n', n);
fprintf('The program iterated %d times.\n',iterations);

Code:

HomeworkLib_rand_game.m clear all; clc; 1 2 3 4 5 6 upper Limit = 100; lowerLimit = -100; n = randi([lowerLimit, upper Limit]); . 8

Results:

Workspace Filter Name ans inp iterations lowerLimit n upperLimit A Class double double double double double double Command WiWorkspace Filter Name ans inp iterations lowerLimit |n upperLimit A Class double double double double double double Command WWorkspace Filter 0 Name ans inp iterations lowerLimit n upperLimit A Class double double double double double double Command

Feel free to ask if you have any queries, Thanks.

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