Cody

# Problem 761. Create a matrix X, where each column is a shifted copy of the vector v

Solution 1896578

Submitted on 10 Aug 2019
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### Test Suite

Test Status Code Input and Output
1   Fail
x = (1:5)'; y_correct = [1 5 4 3 2;2 1 5 4 3;3 2 1 5 4;4 3 2 1 5;5 4 3 2 1]; assert(isequal(shifted(x),y_correct))

z = 5 1 2 3 4 z = 5 4 1 5 2 1 3 2 4 3 z = 5 4 3 1 5 4 2 1 5 3 2 1 4 3 2 z = 5 4 3 2 1 5 4 3 2 1 5 4 3 2 1 5 4 3 2 1 z = 5 4 3 2 1 1 5 4 3 2 2 1 5 4 3 3 2 1 5 4 4 3 2 1 5

Output argument "y" (and maybe others) not assigned during call to "shifted". Error in Test1 (line 3) assert(isequal(shifted(x),y_correct))

2   Fail
x = (1:3)'; y_correct = [1 3 2;2 1 3;3 2 1]; assert(isequal(shifted(x),y_correct))

z = 3 1 2 z = 3 2 1 3 2 1 z = 3 2 1 1 3 2 2 1 3

Output argument "y" (and maybe others) not assigned during call to "shifted". Error in Test2 (line 3) assert(isequal(shifted(x),y_correct))

3   Fail
x = (1:4)'; y_correct = [1 4 3 2;2 1 4 3;3 2 1 4;4 3 2 1]; assert(isequal(shifted(x),y_correct))

z = 4 1 2 3 z = 4 3 1 4 2 1 3 2 z = 4 3 2 1 4 3 2 1 4 3 2 1 z = 4 3 2 1 1 4 3 2 2 1 4 3 3 2 1 4

Output argument "y" (and maybe others) not assigned during call to "shifted". Error in Test3 (line 3) assert(isequal(shifted(x),y_correct))

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

z = 7 1 2 3 4 5 6 z = 7 6 1 7 2 1 3 2 4 3 5 4 6 5 z = 7 6 5 1 7 6 2 1 7 3 2 1 4 3 2 5 4 3 6 5 4 z = 7 6 5 4 1 7 6 5 2 1 7 6 3 2 1 7 4 3 2 1 5 4 3 2 6 5 4 3 z = 7 6 5 4 3 1 7 6 5 4 2 1 7 6 5 3 2 1 7 6 4 3 2 1 7 5 4 3 2 1 6 5 4 3 2 z = 7 6 5 4 3 2 1 7 6 5 4 3 2 1 7 6 5 4 3 2 1 7 6 5 4 3 2 1 7 6 5 4 3 2 1 7 6 5 4 3 2 1 z = 7 6 5 4 3 2 1 1 7 6 5 4 3 2 2 1 7 6 5 4 3 3 2 1 7 6 5 4 4 3 2 1 7 6 5 5 4 3 2 1 7 6 6 5 4 3 2 1 7

Output argument "y" (and maybe others) not assigned during call to "shifted". Error in Test4 (line 4) assert(isequal(shifted(x),y_correct))

5   Fail
x = (1:6)'; y_correct = [1 6 5 4 3 2;2 1 6 5 4 3;3 2 1 6 5 4;... 4 3 2 1 6 5;5 4 3 2 1 6; 6 5 4 3 2 1]; assert(isequal(shifted(x),y_correct))

z = 6 1 2 3 4 5 z = 6 5 1 6 2 1 3 2 4 3 5 4 z = 6 5 4 1 6 5 2 1 6 3 2 1 4 3 2 5 4 3 z = 6 5 4 3 1 6 5 4 2 1 6 5 3 2 1 6 4 3 2 1 5 4 3 2 z = 6 5 4 3 2 1 6 5 4 3 2 1 6 5 4 3 2 1 6 5 4 3 2 1 6 5 4 3 2 1 z = 6 5 4 3 2 1 1 6 5 4 3 2 2 1 6 5 4 3 3 2 1 6 5 4 4 3 2 1 6 5 5 4 3 2 1 6

Output argument "y" (and maybe others) not assigned during call to "shifted". Error in Test5 (line 4) assert(isequal(shifted(x),y_correct))