How many times does the following MATLAB nested for loop execute? vec= [1 357 9]; for x = 1:2:length(vec) for y = 1:length(vec) disp("AAA"); end end
How many times does the following MATLAB nested for loop execute? vec= [1 357 9]; for x = 1:2:length(vec) for y = 1:length(vec) disp("AAA"); end end
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Matlab
![**Question 4**
How many times does the following MATLAB nested `for` loop execute?
```matlab
vec = [1 3 5 7 9];
for x = 1:2:length(vec)
for y = 1:length(vec)
disp("AAA");
end
end
```
- a. 15
- b. 25
- c. 5
- d. Infinitely many times
**Explanation of the Code:**
The MATLAB code defines a vector `vec` with elements `[1, 3, 5, 7, 9]`. The outer `for` loop iterates over the indices 1, 3, 5, i.e., every second element of the vector. Thus, it runs 3 times (for indices 1, 3, and 5).
The inner `for` loop iterates over all elements of the vector `vec`, running 5 times for each outer loop iteration.
**Total Execution Count:**
3 (outer loop iterations) × 5 (inner loop iterations) = 15 times
Thus, the correct answer is **a. 15**.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1606b766-bfa8-4083-9557-a4bb20db7c66%2Fe66322e7-69f4-4406-966d-c1079c61955a%2Fp5ii8xo_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Question 4**
How many times does the following MATLAB nested `for` loop execute?
```matlab
vec = [1 3 5 7 9];
for x = 1:2:length(vec)
for y = 1:length(vec)
disp("AAA");
end
end
```
- a. 15
- b. 25
- c. 5
- d. Infinitely many times
**Explanation of the Code:**
The MATLAB code defines a vector `vec` with elements `[1, 3, 5, 7, 9]`. The outer `for` loop iterates over the indices 1, 3, 5, i.e., every second element of the vector. Thus, it runs 3 times (for indices 1, 3, and 5).
The inner `for` loop iterates over all elements of the vector `vec`, running 5 times for each outer loop iteration.
**Total Execution Count:**
3 (outer loop iterations) × 5 (inner loop iterations) = 15 times
Thus, the correct answer is **a. 15**.
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