pmoran@m.cs.uiuc.edu (10/31/90)
> I am looking for the algorithm (pseudocode is fine) to determine any 4 given > abitrary points p(x,y,z) that lie in the same plane... > e.g. The algorithm should work for the following points .. > ... Another variation to do it with determinants: | p1x p1y p1z 1 | | p2x p2y p2z 1 | = 0 if the points are coplanar | p3x p3y p3z 1 | | p4x p4y p4z 1 | Pat Moran University of Illinois at Urbana-Champaign student--no disclaimer required