volume of a k-simplex...
Han-Wen Nienhuys
hanwen at cs.uu.nl
Thu Aug 22 19:48:53 PDT 2002
aupetit at dase.bruyeres.cea.fr writes:
> Hello,
>
> I need to compute the volume of a k-simplex
> knowing the coordinates of its vertices.
>
> How should I proceed?
> Any pointer?
Assuming you're posing this is in k-dimensional space, that would be
1/(k!) * det (x_0, .. , x_k),
where x_j is the k+1 - vector consisting of the k coordinates of the
j-th point and a 1 as k+1st coordinate.
--
Han-Wen Nienhuys | hanwen at cs.uu.nl | http://www.cs.uu.nl/~hanwen/
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