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.
Multiply a column by a row
Make a random, non-repeating vector.
Replicate elements in vectors
Create an index-powered vector
Check that number is whole number
Triangular Tiling Dots in a Circle
Volume of a Simplex
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