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Re: Decision whether point lies within closed contour


> On Oct 9, 2013, at 2:10 AM, "Dr. Robert Kragler"
> Does an algorithm or even a Mathematica procedure
> exist to decide whether a points is located inside or
> outside a closed contour resp. closed polygonal line?

In the particular case of a continuous contour curve having equation f(x,y)= 0, the point is (outside, on, inside) of contour depending on whether:
f(x,y) is ( > 0, = 0 or  < 0 ).

Narasimham



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