Cody

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

Solution 2005127

Submitted on 6 Nov 2019
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### Test Suite

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

Error using sum Dimension argument must be a positive integer scalar, a vector of unique positive integers, or 'all'. Error in sumDiagonalElements (line 3) y=sum(a,b) Error in Test1 (line 3) assert(isequal(sumDiagonalElements(x),y_correct))

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

Error using sum Dimension argument must be a positive integer scalar, a vector of unique positive integers, or 'all'. Error in sumDiagonalElements (line 3) y=sum(a,b) Error in Test2 (line 3) assert(isequal(sumDiagonalElements(x),y_correct))

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

Error using sum Dimension argument must be a positive integer scalar, a vector of unique positive integers, or 'all'. Error in sumDiagonalElements (line 3) y=sum(a,b) Error in Test3 (line 3) assert(isequal(sumDiagonalElements(x),y_correct))

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

Error using sum Dimension argument must be a positive integer scalar, a vector of unique positive integers, or 'all'. Error in sumDiagonalElements (line 3) y=sum(a,b) Error in Test4 (line 3) assert(isequal(sumDiagonalElements(x),y_correct))