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.
Distance walked 2D
Back to basics 19 - character types
Given a matrix, return the last eigen value
Hexagonal Tiling Dots in a Circle
Radial Zernike polynomials
Chebyshev polynomials of the 2nd Kind
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