Cody

Problem 1158. Sum the elements in either diagonal of a square matrix

Solution 263681

Submitted on 19 Jun 2013 by Dan
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Test Suite

Test Status Code Input and Output
1   Pass
%% x = ones(2); y_correct = 4; assert(isequal(sumDiagonalElements(x),y_correct))

ans = 1 0 0 1 ans = 4

2   Pass
%% x = ones(3); y_correct = 5; assert(isequal(sumDiagonalElements(x),y_correct))

ans = 1 0 0 0 1 0 0 0 1 ans = 5

3   Pass
%% x = magic(8); y_correct = 520; assert(isequal(sumDiagonalElements(x),y_correct))

ans = 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 ans = 520

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

ans = 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 ans = 697

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