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Re: How to calculate the area of a polygon?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg27735] Re: How to calculate the area of a polygon?
  • From: "Andre Giroux" <giroux at dms.umontreal.ca>
  • Date: Tue, 13 Mar 2001 03:52:53 -0500 (EST)
  • References: <98htbn$mod@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Hi Liwen.
This calculation and many other similar calculations can be done by
downloading the  package Basic Plane Computational Geometry by Adriano
Pascoletti from
http://www.mathsource.com/Content/Enhancements/Geometry/0211-497
Enjoy.

"liwen liwen" <gzgear at yahoo.com> a écrit dans le message news:
98htbn$mod at smc.vnet.net...
> Dear friends,
>
> I want to calculate the area of a polygon, for
> example, the polygon is defined by following points:
> data={{0,0},{5,0},{10,5},{0,10},{-5,5}};
> Regardless of that it is concave or convex.
>
> Any help is appreciated.
>
> Thank you very much!
>
> Liwen   3/11/2001
>
> E-mail:  gzgear at yahoo.com
>
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