Cody

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

Solution 1211886

Submitted on 14 Jun 2017 by Chetan Bhavsar
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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 = 5; assert(isequal(MeanCorner(x),y_correct))

x = 1 2 3 4 5 6 7 8 9 ans = 4 4 4 10 10 10 16 16 16 ans = 20 20 20 20 20 20 20 20 20 ans = 5

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 ans = 29 5 5 29 13 21 21 13 21 13 13 21 5 29 29 5 ans = 34 34 34 34 34 34 34 34 34 34 34 34 34 34 34 34 ans = 8.5000

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 ans = 1 0 0 1 0 1 1 0 0 1 1 0 1 0 0 1 ans = 2 0 0 2 0 2 2 0 0 2 2 0 2 0 0 2 ans = 0.5000

4   Pass
x = repmat(5, 4,4); y_correct = 5; assert(isequal(MeanCorner(x),y_correct))

ans = 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 ans = 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 ans = 5

5   Pass
x = [1:10]; y_correct = 5.5; assert(isequal(MeanCorner(x),y_correct))

ans = 11 11 11 11 11 11 11 11 11 11 ans = 22 22 22 22 22 22 22 22 22 22 ans = 5.5000