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.
Is A the inverse of B?
Max index of 3D array
Create a two dimensional zero matrix
Narcissistic number ?
Divide by 4
Generalized Laguerre polynomials
Edges of a n-dimensional Hypercube
Shifted Hexagonal Tiling Dots in a Circle
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