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.
Longest Divisor Run
Rosenbrock's Banana Function and its derivatives
Getting the absolute index from a matrix
Are all the three given point in the same line?
The sum of the numbers in the vector
Shifted Hexagonal Tiling Dots in a Circle
Hexagonal Tiling Dots in a Circle
Dots in a Diamond
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