Cody

# Problem 44401. Vertical matrix sort

Solution 1500701

Submitted on 23 Apr 2018 by OZ FEDERMAN
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### Test Suite

Test Status Code Input and Output
1   Pass
x = []; y_correct = []; assert(isequal(upAndDown(x),y_correct))

2   Pass
x = 0; y_correct = [0;0]; assert(isequal(upAndDown(x),y_correct))

3   Pass
x = zeros(10); x(7,4) = 1; y_correct = zeros(20,10); y_correct(10:11,4) = [1;1]; assert(isequal(upAndDown(x),y_correct))

4   Pass
x = [1 2 3 4]; y_correct = [1 2 3 4; 1 2 3 4]; assert(isequal(upAndDown(x),y_correct))

5   Pass
x = [8 9 3 9; 9 6 5 2; 2 1 9 9]; y_correct = [2 1 3 2; 8 6 5 9; 9 9 9 9; 9 9 9 9; 8 6 5 9; 2 1 3 2]; assert(isequal(upAndDown(x),y_correct))

6   Pass
x = 1:10; y_correct = [x; x]; assert(isequal(upAndDown(x),y_correct))

7   Pass
x = (1:10)'; y_correct = [x; flipud(x)]; assert(isequal(upAndDown(x),y_correct))

8   Pass
x = reshape(1:9,[3,3]); c = [1:3,3:-1:1]'; y_correct = [c,c+3,c+6]; assert(isequal(upAndDown(x),y_correct))

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