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.
Four quadrant inverse tangent function.
vectorization in N
Scoring for oriented dominoes
Who invented zero?
Calculate the derivative of a polynomial
Big numbers, least significant digits
Generate a NaN...on purpose
Big numbers, repeated least significant digits
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