Cody

Problem 2094. Sum of diagonals elements of a matrix

Solution 2812873

Submitted on 9 Aug 2020 by Rafael S.T. Vieira
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Test Suite

Test Status Code Input and Output
1   Pass
x = [1 2 3;4 5 6; 7 8 9;]; y_correct = 25; assert(isequal(DiagSum(x),y_correct));

v = 1 5 9 7 5 3

2   Pass
x = [1 2 3 4 5;6 7 8 9 10; 11 12 13 14 15; 16 17 18 19 20; 21 22 23 24 25;]; y_correct = 117; assert(isequal(DiagSum(x),y_correct));

v = 1 7 13 19 25 21 17 13 9 5

3   Pass
x = ones(7); y_correct = 13; assert(isequal(DiagSum(x),y_correct));

v = 1 1 1 1 1 1 1 1 1 1 1 1 1 1

4   Pass
x = magic(9); y_correct = 697; assert(isequal(DiagSum(x),y_correct));

v = 47 68 8 20 41 62 74 14 35 37 38 39 40 41 42 43 44 45