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From: "Bruno Luong" <b.luong@fogale.findmycountry>
Newsgroups: comp.soft-sys.matlab
Subject: Re: find distance along complicated geometric surface
Date: Tue, 18 May 2010 14:57:04 +0000 (UTC)
Organization: FOGALE nanotech
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Walter Roberson <roberson@hushmail.com> wrote in message <ovxIn.11220$wV.3023@newsfe11.iad>...
> 
> Algorithms for finding the shortest path 
> on a convex shape are not the same as finding the shortest path on a 
> concave shape.

What is a concave shape? Is it a complement of a convex shape? Or do you mean a non-convex shape?

Bruno