Find the sum of all diagonal values in a matrix?
1 view (last 30 days)
Show older comments
In a 5x5 matrix, I want to find the sum of all short and long diagonals from both the left and right sides. How can I write a for-if loop?
Example: A= 2 4 1 5 6
2 5 3 1 8
3 4 6 7 1
1 2 1 4 3
9 5 2 5 1
Left:
1+5=6
3+2+2=7
2+4+1+5=12
2+5+6+4+1=18
....
3 Comments
Stephen23
on 7 Jul 2020
Original question by Berkay Eceoglu recovered from Google Cache:
"Find the sum of all diagonal values in a matrix?"
In a 5x5 matrix, I want to find the sum of all short and long diagonals from both the left and right sides. How can I write a for-if loop?
Example: A= 2 4 1 5 6
2 5 3 1 8
3 4 6 7 1
1 2 1 4 3
9 5 2 5 1
Left:
1+5=6
3+2+2=7
2+4+1+5=12
2+5+6+4+1=18
Answers (1)
See Also
Categories
Find more on Operating on Diagonal Matrices in Help Center and File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!