[algogeeks] THE PRISON OF DRUGS

2007-06-04 Thread jc
Why do i get the feeling that they were on drugs when they made this ? http://www.funnyshows.net/?id=63 --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to

[algogeeks] Re: Testing if 3 points form a triangle

2007-06-04 Thread Feng
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]:

[algogeeks] Re: Testing if 3 points form a triangle

2007-06-04 Thread nima aghdaie
use the cross product to examine whether they're collinear. points A,B,C: AB*BC =? 0 On 5/27/07, Feng [EMAIL PROTECTED] wrote: Hi all! Given 3 points in 3D, what is the fast and numerically stable way to test if they form a triangle? I am thinking computing the determinant of the square

[algogeeks] Lets Clean Up and Report

2007-06-04 Thread dshah
Hello All, I logged into this group today and was shocked to see spammers are having nice time posting everything here. I am trying to ban the spammers and remove there posts as well. We can keep this group clean and running only by community effort. Please take few minutes to help us out in