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.
Distance walked 3D
Inner product of two vectors
Is my wife right? Now with even more wrong husband
Scoring for oriented dominoes
Check if equal
Factorize THIS, buddy
Are you in or are you out?
All your base are belong to us
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