If my over-use of str2num has in any way caused offense, I hereby beg leave to apologize.
My hat's off to you for such a solution. I'm baffled as to how to decode it (pun intended). I know that there has been a lot of furor over the use of regexp and other string-based functions, conversions, etc. to lower solution sizes for problems in general, but this problem is string-based, so I see no problem in solving it via arcane string methods.
Matrix indexing with two vectors of indices
Calculate the area of a triangle between three points
Create an n-by-n null matrix and fill with ones certain positions
Converting numbers back from extended form
Big numbers, least significant digits
Word Distance - Sum
Rule of mixtures (composites) - weighted bound
Scrabble Scores - 10
Radiation Heat Transfer — View Factors (5)
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