Cody

Problem 314. Find the sum of the elements in the "second" diagonal

Solution 88928

Submitted on 15 May 2012 by Sunil Kallur Ramegowda
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Test Suite

Test Status Code Input and Output
1   Pass
%% x = magic(6); y_correct = 111; assert(isequal(sum_of_sec_diag(x),y_correct))

y = 24 y = 24 23 y = 24 23 22 y = 24 23 22 33 y = 24 23 22 33 5 y = 24 23 22 33 5 4

2   Pass
%% x = magic(10); y_correct = 505; assert(isequal(sum_of_sec_diag(x),y_correct))

y = 40 y = 40 64 y = 40 64 63 y = 40 64 63 62 y = 40 64 63 62 61 y = 40 64 63 62 61 90 y = 40 64 63 62 61 90 89 y = 40 64 63 62 61 90 89 13 y = 40 64 63 62 61 90 89 13 12 y = 40 64 63 62 61 90 89 13 12 11

3   Pass
%% x = magic(11); y_correct = 671; assert(isequal(sum_of_sec_diag(x),y_correct))

y = 66 y = 66 65 y = 66 65 64 y = 66 65 64 63 y = 66 65 64 63 62 y = 66 65 64 63 62 61 y = 66 65 64 63 62 61 60 y = 66 65 64 63 62 61 60 59 y = 66 65 64 63 62 61 60 59 58 y = 66 65 64 63 62 61 60 59 58 57 y = Columns 1 through 10 66 65 64 63 62 61 60 59 58 57 Column 11 56

4   Pass
%% x=[1 2 3; 4 4 6; 2 8 9]; y_correct = 9; assert(isequal(sum_of_sec_diag(x),y_correct))

y = 3 y = 3 4 y = 3 4 2

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