Cody

Solution 197892

Submitted on 28 Jan 2013
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

Test Suite

Test Status Code Input and Output
1   Fail
%% positive integers x = 5; assert(isequal(unique(rand_plusminus1(x)),[-1;1]))
Error: Undefined function 'rand_plusminus1' for input arguments of type 'double'.
2   Fail
%% one element x = 1; assert(isequal(abs(rand_plusminus1(x)),1))
Error: Undefined function 'rand_plusminus1' for input arguments of type 'double'.
3   Fail
%% zero => empty matrix x = 0; assert(isequal(rand_plusminus1(x),[]))
Error: Undefined function 'rand_plusminus1' for input arguments of type 'double'.
4   Fail
%% positive integers x = 999; assert(isequal(unique(rand_plusminus1(x)),[-1;1]))
Error: Undefined function 'rand_plusminus1' for input arguments of type 'double'.