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.
Find the longest sequence of 1's in a binary sequence.
Remove the small words from a list of words.
Back to basics 6 - Column Vector
Angle between two vectors
Basic arrays operations.
Rule of mixtures (composites) - upper bound
Dice roll - opposite faces
Is it really a 5?
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