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Test  Status  Code Input and Output 

1  Pass 
x = [];
y_correct = [];
assert(isequal(upAndDown(x),y_correct))
x1 =
[]
x2 =
[]
y =
[]

2  Pass 
x = 0;
y_correct = [0;0];
assert(isequal(upAndDown(x),y_correct))
x1 =
0
x2 =
0
y =
0
0

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))
x1 =
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 1 0 0 0 0 0 0
x2 =
0 0 0 1 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
y =
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 1 0 0 0 0 0 0
0 0 0 1 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0

4  Pass 
x = [1 2 3 4];
y_correct = [1 2 3 4; 1 2 3 4];
assert(isequal(upAndDown(x),y_correct))
x1 =
1 2 3 4
x2 =
1 2 3 4
y =
1 2 3 4
1 2 3 4

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))
x1 =
2 1 3 2
8 6 5 9
9 9 9 9
x2 =
9 9 9 9
8 6 5 9
2 1 3 2
y =
2 1 3 2
8 6 5 9
9 9 9 9
9 9 9 9
8 6 5 9
2 1 3 2

6  Pass 
x = 1:10;
y_correct = [x; x];

7  Pass 
x = (1:10)';
y_correct = [x; flipud(x)];

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

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