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From: "Vic Band" <vic_air_band@yahoo.com>
Newsgroups: comp.soft-sys.matlab
Subject: intersection of a line with a closed curve
Date: Tue, 11 Aug 2009 18:25:18 +0000 (UTC)
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I have a closed curve in 2-dimensions, defined by C = [x y] (not generated from a function, but from data) and a vector with pt1 (the origin, also the centre of the closed curve) and pt2. How can I find the intersection between the vector and the curve? 

Thanks, 

Vic