Problem 2094. Sum of diagonals elements of a matrix
Given a matrix, return the sum of all the elements across the diagonals.
E.g. A = [1 2 3; 4 5 6; 7 8 9;]
then, sum = 25 as sum of (1, 3, 7, 9,5)
Solution Stats
Problem Comments
-
2 Comments
Jon
on 31 May 2014
Basically the same as Problem 1158
Jong-Min Kwak
on 4 Dec 2016
good!!
Solution Comments
Show commentsProblem Recent Solvers222
Suggested Problems
-
1722 Solvers
-
Convert a vector into a number
599 Solvers
-
Getting the absolute index from a matrix
246 Solvers
-
Replace multiples of 5 with NaN
440 Solvers
-
660 Solvers
More from this Author25
Problem Tags
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!