MATLAB and Simulink resources for Arduino, LEGO, and Raspberry Pi

Learn moreOpportunities for recent engineering grads.

Apply Today**New to MATLAB?**

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

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]))