Cody

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

Solution 2544393

Submitted on 14 Jun 2020
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

### Test Suite

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

Array indices must be positive integers or logical values. Error in sumDiagonalElements (line 2) y = sum(diag(x))+sum(diag(fliplr(x)))-(mod(numel(x),2)==0)*x((numel(x)+1)/2); 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))

Assertion failed.

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

Array indices must be positive integers or logical values. Error in sumDiagonalElements (line 2) y = sum(diag(x))+sum(diag(fliplr(x)))-(mod(numel(x),2)==0)*x((numel(x)+1)/2); 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))

Assertion failed.