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.
Clock Hand Angle 1
Sum the entries of each column of a matrix which satisfy a logical condition.
Count up then down
find the maximum element of the matrix
Create an index-powered vector
Chebyshev polynomials of the 1st Kind
Edges of a n-dimensional Hypercube
Chebyshev polynomials of the 2nd Kind
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