Test | Status | Code Input and Output |
---|---|---|
1 | Fail |
x = [-1 2 3;1 -2 -2;3 3 -3];
y_correct = [ 1 -3 -3;-2 2 -2;-3 -3 3];
assert(isequal(SignChange(x),y_correct))
ans =
3
1
3
|
2 | Fail |
x = magic(4);
y_correct = [16 -13 -13 -13; -10 11 -10 -10;-12 -12 6 -12;-15 -15 -15 1];
assert(isequal(SignChange(x),y_correct))
ans =
16
11
12
15
|
3 | Fail |
x = zeros(4);
y_correct = x;
assert(isequal(SignChange(x),y_correct))
ans =
0
0
0
0
|
4 | Fail |
x = [-1 1 -1;1 -1 1;-1 -2 -3];
y_correct = [1 -1 -1;-1 1 -1;-2 -2 3];
assert(isequal(SignChange(x),y_correct))
ans =
1
1
-1
|
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