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.
Find relatively common elements in matrix rows
Find state names that end with the letter A
Longest Divisor Run
Say something funny
Generate a NaN...on purpose
Big numbers, repeated least significant digits
Big numbers, least significant digits
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