Question

What is the value of x after executing the given code?

x=1; for k=1:1:4 if k==2 x=x-1; else x=x+1; end end

Answer 1

The value of x after running the provided loop in the code is 3. The loop increments or decrements x based on the condition, reaching a final value after four iterations.

Step-by-step explanation:

The question is about determining the value of the variable x after a certain segment of code is executed. The given code is a loop that runs from k=1 to 4, modifying the value of x based on the value of k. Here's how the code executes step by step:

1. Initial value: x=1
2. For k=1: No condition matches, so x=x+1, resulting in x=2.
3. For k=2: Condition matches (k==2), x=x-1, resulting in x=1.
4. For k=3: No condition matches, so x=x+1, resulting in x=2.
5. For k=4: No condition matches, so x=x+1, resulting in x=3.

After the loop finishes, the value of x is 3.