Cody

# Problem 1153. Accessing elements on the diagonal

Solution 450238

Submitted on 5 Jun 2014 by rifat
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### Test Suite

Test Status Code Input and Output
1   Pass
%% x = [1:10]; y_correct = 1; assert(isequal(diagonal(x),y_correct))

ans = 1 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 3 0 0 0 0 0 0 0 0 0 0 4 0 0 0 0 0 0 0 0 0 0 5 0 0 0 0 0 0 0 0 0 0 6 0 0 0 0 0 0 0 0 0 0 7 0 0 0 0 0 0 0 0 0 0 8 0 0 0 0 0 0 0 0 0 0 9 0 0 0 0 0 0 0 0 0 0 10 ans = 1

2   Pass
%% x = [1:10]'; y_correct = 1; assert(isequal(diagonal(x),y_correct))

ans = 1 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 3 0 0 0 0 0 0 0 0 0 0 4 0 0 0 0 0 0 0 0 0 0 5 0 0 0 0 0 0 0 0 0 0 6 0 0 0 0 0 0 0 0 0 0 7 0 0 0 0 0 0 0 0 0 0 8 0 0 0 0 0 0 0 0 0 0 9 0 0 0 0 0 0 0 0 0 0 10 ans = 1

3   Pass
%% x = magic(3); y_correct = [8 5 2]; assert(isequal(diagonal(x),y_correct))

ans = 8 5 2

4   Pass
%% x = [1:3;4:6;7:9;10:12]; y_correct = [1 5 9]; assert(isequal(diagonal(x),y_correct))

ans = 1 5 9

5   Pass
%% x = [1:3;4:6;7:9;10:12]'; y_correct = [1 5 9]; assert(isequal(diagonal(x),y_correct))

ans = 1 5 9