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.
Figurate number triangle
Are you in or are you out?
Remove NaN ?
Make a random, non-repeating vector.
MATCH THE STRINGS (2 CHAR) very easy
Big numbers, least significant digits
Generate a NaN...on purpose
Big numbers, repeated least significant digits
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