Cody

# Problem 2177. Rainbow matrix

Solution 1679640

Submitted on 23 Nov 2018
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### Test Suite

Test Status Code Input and Output
1   Fail
x = 1; y_correct = 1; assert(isequal(rainbow(x),y_correct))

Undefined function or variable 'x'. Error in rainbow (line 2) n - abs(cell2mat(arrayfun(@(x) x:x+n-1,x,'Un',0)')) Error in Test1 (line 3) assert(isequal(rainbow(x),y_correct))

2   Fail
x = 3; y_correct = [1 2 3; 2 3 2; 3 2 1]; assert(isequal(rainbow(x),y_correct))

Undefined function or variable 'x'. Error in rainbow (line 2) n - abs(cell2mat(arrayfun(@(x) x:x+n-1,x,'Un',0)')) Error in Test2 (line 3) assert(isequal(rainbow(x),y_correct))

3   Fail
x = 5; y_correct = [1 2 3 4 5; 2 3 4 5 4; 3 4 5 4 3; 4 5 4 3 2; 5 4 3 2 1]; assert(isequal(rainbow(x),y_correct))

Undefined function or variable 'x'. Error in rainbow (line 2) n - abs(cell2mat(arrayfun(@(x) x:x+n-1,x,'Un',0)')) Error in Test3 (line 3) assert(isequal(rainbow(x),y_correct))

4   Fail
x = 7; y_correct = [... 1 2 3 4 5 6 7; 2 3 4 5 6 7 6; 3 4 5 6 7 6 5; 4 5 6 7 6 5 4; 5 6 7 6 5 4 3; 6 7 6 5 4 3 2; 7 6 5 4 3 2 1]; assert(isequal(rainbow(x),y_correct))

Undefined function or variable 'x'. Error in rainbow (line 2) n - abs(cell2mat(arrayfun(@(x) x:x+n-1,x,'Un',0)')) Error in Test4 (line 10) assert(isequal(rainbow(x),y_correct))

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