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.
pressure to dB?
Triangle Numbers Below N
Equal to their cube
What number has this problem?
Add a row of zeros on top of a matrix
Sum my indices
The Hitchhiker's Guide to MATLAB
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