Write a script file on Octave based on the following criteria. The users should be able to add a value for ‘x’ and then see the output ‘y’ when the program is run.

Homework Help: Questions and Answers: Part a) Write a script file on Octave based on the following criteria. The users should be able to add a value for ‘x’ and then see the output ‘y’ when the program is run. Name the program as Question4.

• If x>100, then y=10x
• If 100 ≥ x ≥ 0, then y=x/10
• If x<0, then y=abs(x)

Part b) Test your program you created in part a for x=200, x=10, and x=-10.

Answer

Part a) Writing the Octave Script

Here’s the script file named Question4.m that implements the given criteria.

% Question4.m
% This script calculates the value of y based on the input value of x.

% Prompt the user to enter a value for x
x = input('Enter a value for x: ');

% Calculate the value of y based on the value of x
if x > 100
    y = 10 * x;
elseif x >= 0 && x <= 100
    y = x / 10;
else
    y = abs(x);
end

% Display the result
fprintf('The value of y is: %f\n', y);

Explanation:

• Input: The script prompts the user to enter a value for x.
• Conditions:
  • If x > 100, then y is calculated as 10 * x.
  • If 100 ≥ x ≥ 0, then y is calculated as x / 10.
  • If x < 0, then y is calculated as abs(x).
• Output: The script then displays the value of y.

Part b) Testing the Program

To test the program for x = 200, x = 10, and x = -10, you can run the script in Octave with these inputs. Below are the expected outputs:

Test 1: x = 200

Enter a value for x: 200
The value of y is: 2000.000000

Explanation: Since x > 100, y = 10 * 200 = 2000.

Test 2: x = 10

Enter a value for x: 10
The value of y is: 1.000000

Explanation: Since 100 ≥ x ≥ 0, y = 10 / 10 = 1.

Test 3: x = -10

Enter a value for x: -10
The value of y is: 10.000000

Explanation: Since x < 0, y = abs(-10) = 10.

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