Can you give us any hints? I tried findobj() but can't make progress!
You are on the right track with findobj(). The trick is what the call to "legend" does to the objects that make the solution very simple.
Maximum running product for a string of numbers
Encode Roman Numerals
fly fly away
Pythagorean perfect squares: find the square of the hypotenuse and the length of the other side
Sort numbers by outside digits
Big numbers, repeated least significant digits
Big numbers, least significant digits
Generate a NaN...on purpose
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