Given an input character string (e.g. '1001'), return a character string with the bits flipped ('0110').
The test suite does not check that the solution is a character string, but the problem definition requires that it should.
Added this check. (I messed it up a bit the first time I tried to do it, so sorry for some interim weirdness.)
str = num2str(A,formatSpec), could replace '
Invalid solution, really
New test suite invalidates this solution.
Find the sum of all the numbers of the input vector
Remove the polynomials that have positive real elements of their roots.
Reverse a matrix
Integer or Float?
Factorize THIS, buddy
Is my wife right?
Tune your guitar
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