Cody

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

Solution 116928

Submitted on 21 Jul 2012 by Dimosthenis
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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))

sz = 6 6 c = 24 c = 24 23 c = 24 23 22 c = 24 23 22 33 c = 24 23 22 33 5 c = 24 23 22 33 5 4

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

sz = 10 10 c = 40 c = 40 64 c = 40 64 63 c = 40 64 63 62 c = 40 64 63 62 61 c = 40 64 63 62 61 90 c = 40 64 63 62 61 90 89 c = 40 64 63 62 61 90 89 13 c = 40 64 63 62 61 90 89 13 12 c = 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))

sz = 11 11 c = 66 c = 66 65 c = 66 65 64 c = 66 65 64 63 c = 66 65 64 63 62 c = 66 65 64 63 62 61 c = 66 65 64 63 62 61 60 c = 66 65 64 63 62 61 60 59 c = 66 65 64 63 62 61 60 59 58 c = 66 65 64 63 62 61 60 59 58 57 c = 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))

sz = 3 3 c = 3 c = 3 4 c = 3 4 2

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