On Jun 5, 1:45 am, Feng <[EMAIL PROTECTED]> wrote:
> Hi BiGYaN, triangle is a 2D object which can be formed by any 3 non-
> collinear points. It can exist in 4D, just like a point existing in
> 3D.
>
> On May 31, 2:11 am, "Victor Carvalho" <[EMAIL PROTECTED]> wrote:
>
>
>
>
>
> > Feng, how can form a triangle in four dimensions???
>
> > 2007/5/29, BiGYaN <[EMAIL PROTECTED]>:
>
> > > Just test whether they are collinear or not .... i.e. get the slopes,
>
> > > m1 from 1st and 2nd point
> > > m2 from 2nd and 3rd point
>
> > > if m1==m2 then they do not form a triangle
> > > else they do
>
> > > Computing the area of the triangle and testing for 0 might also
> > > work .... but I feel that the computation will be bigger ....
>
> > --
> > Victor Carvalho
> > Computação - UFC
> > GELSoL - Grupo de Estudos de Linux e Software Livre
> > E-Jr Empresa Júnior de Computação
I never had a problem with a triangle in 4D !!
You probably aimed it @ Victor.
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