Checking for intersection of surfaces
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Hi, I want to know how to check for intersections between two surfaces in the same plane?For example I would like to plot all points on a circle which does not lie within a rectangle.
Thanks
回答（1 个）
Depends on what the "surfaces" are. In the case of a rectangle, or other polygon, you would probably use INPOLYGON.
For more complicated things, you would probably use inequalities describing the region
f(x,y)<=0
to disqualify points.
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