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.
Who knows the last digit of pi?
Return the Fibonacci Sequence
Number of 1s in a binary string
Duplicate a character
Sum the 'edge' values of a matrix
Are you in or are you out?
Is my wife right?
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