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Solution 356197

Submitted on 20 Nov 2013

Incorrect

18Size
Leading solution size is 11.
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

Test Suite

Test
Code Input and Output
1
Fail
 
%% positive integers
x = 5;
assert(isequal(unique(rand_plusminus1(x)),[-1;1]))
Error: Output argument "y" (and maybe others) not assigned during call to "/users/msssystem1/rand_plusminus1.m>rand_plusminus1".
2
Fail
 
%% one element
x = 1;
assert(isequal(abs(rand_plusminus1(x)),1))
Error: Output argument "y" (and maybe others) not assigned during call to "/users/msssystem1/rand_plusminus1.m>rand_plusminus1".
3
Fail
 
%% zero => empty matrix
x = 0;
assert(isequal(rand_plusminus1(x),[]))
Error: Output argument "y" (and maybe others) not assigned during call to "/users/msssystem1/rand_plusminus1.m>rand_plusminus1".
4
Fail
 
%% positive integers
x = 999;
assert(isequal(unique(rand_plusminus1(x)),[-1;1]))
Error: Output argument "y" (and maybe others) not assigned during call to "/users/msssystem1/rand_plusminus1.m>rand_plusminus1".