Everyone, I've modified the test suite such that common cheats won't work; i.e., regexp/rep, interp1/2/3, num2str, str2num, etc. are disallowed! General numerical solutions, however, are most welcome.
Knight's Tour Checker
Flip the main diagonal of a matrix
Find my daddy long leg (No 's')
Calculate area of sector
The 5th Root
Dots in a Circle
Shifted Hexagonal Tiling Dots in a Circle
Radial Zernike polynomials
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