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.
Swap the first and last columns
sum of first 'n' terms
04 - Scalar Equations 1
07 - Common functions and indexing 2
Figurate number triangle
Is my wife right? Now with even more wrong husband
Are you in or are you out?
Increment a number, given its digits
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