Problem 2235. Back to basics - mean of corner elements of a matrix

Solution 1914672

Submitted on 28 Aug 2019 by JeffY

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Test	Status	Code Input and Output
1	Pass	x = [1 2 3; 4 5 6; 7 8 9] y_correct = 5; assert(isequal(MeanCorner(x),y_correct)) x = 1 2 3 4 5 6 7 8 9
2	Pass	x = magic(4) y_correct = 8.5; assert(isequal(MeanCorner(x),y_correct)) x = 16 2 3 13 5 11 10 8 9 7 6 12 4 14 15 1
3	Pass	x = eye(4) y_correct = 0.5; assert(isequal(MeanCorner(x),y_correct)) x = 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1
4	Pass	x = repmat(5, 4,4); y_correct = 5; assert(isequal(MeanCorner(x),y_correct))
5	Pass	x = [1:10]; y_correct = 5.5; assert(isequal(MeanCorner(x),y_correct))