[Dune] Reference tetrahedron, again

Adrian Burri burriad at mathematik.uni-freiburg.de
Tue Jul 26 15:18:03 CEST 2005


Ok, I see your point... The numbering I suggested can be defined in an 
algorithmic way, at least for 3D. (I mentioned it in an earlier mail; 
whether this argument it generalizable to N-dimension is beyond me... I 
just want to urge everyone to come to a quick solution, I changed the 
code so that it works with the new reference elements. I can't wait two 
months before my code again shows the correct results!)

Cheers

Adi

Christian Engwer wrote:

>On Tue, Jul 26, 2005 at 11:22:24AM +0200, Adrian Burri wrote:
>  
>
>>Just wondering: was there any conclusion on that topic? And is the 
>>adopted solution being implemented?
>>    
>>
>
>>From what I see, there is no final decision yet. The big question is
>still whether we find an algorithmic numbering for simplizes. Having
>an algorithmic numbering by hand is perferable when we go to higher
>dimensions. We can of course decide on some arbitrary numbering for
>3D, but will most propably not be consistent fora future 4D
>simplex. Changing the reference elements in the future will be very
>difficult, so I would not like to jump the gun on this.
>
>Christian
>
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