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Find the sum of all diagonal values ​​in a matrix?

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Berkay Eceoglu
Berkay Eceoglu on 6 Jul 2020
Commented: Rena Berman on 22 Jul 2020 at 18:45
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

madhan ravi
madhan ravi on 6 Jul 2020
Did you try something for your homework?
Stephen Cobeldick
Stephen Cobeldick 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

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