[Wien] Convergence speed

Leonardo Pisani pisani at itp.uni-frankfurt.de
Mon May 30 16:24:59 CEST 2005


Dear wien2k users,

I am running a magnetic system with broyd factor 0.2
and the convergence rapidity is the following:
:DIS  :  CHARGE DISTANCE       0.1310476
:DIS  :  CHARGE DISTANCE       0.1323595
:DIS  :  CHARGE DISTANCE       0.1274974
:DIS  :  CHARGE DISTANCE       0.1129681
:DIS  :  CHARGE DISTANCE       0.0618347
:DIS  :  CHARGE DISTANCE       0.0495556
:DIS  :  CHARGE DISTANCE       0.0605891
:DIS  :  CHARGE DISTANCE       0.0543785
:DIS  :  CHARGE DISTANCE       0.0261884
:DIS  :  CHARGE DISTANCE       0.0161704
:DIS  :  CHARGE DISTANCE       0.0118487
:DIS  :  CHARGE DISTANCE       0.0105162
:DIS  :  CHARGE DISTANCE       0.0094682
:DIS  :  CHARGE DISTANCE       0.0070960
:DIS  :  CHARGE DISTANCE       0.0078817
:DIS  :  CHARGE DISTANCE       0.0082304
:DIS  :  CHARGE DISTANCE       0.0564444
:DIS  :  CHARGE DISTANCE       0.0079177
:DIS  :  CHARGE DISTANCE       0.0077773
:DIS  :  CHARGE DISTANCE       0.0165992
:DIS  :  CHARGE DISTANCE       0.0019357
:DIS  :  CHARGE DISTANCE       0.0012602
:DIS  :  CHARGE DISTANCE       0.0010934
:DIS  :  CHARGE DISTANCE       0.0010126
:DIS  :  CHARGE DISTANCE       0.0008495
:DIS  :  CHARGE DISTANCE       0.0008546
:DIS  :  CHARGE DISTANCE       0.0009629
:DIS  :  CHARGE DISTANCE       0.0006860
:DIS  :  CHARGE DISTANCE       0.0002990
:DIS  :  CHARGE DISTANCE       0.0002219
:DIS  :  CHARGE DISTANCE       0.0001583
:DIS  :  CHARGE DISTANCE       0.0001154
:DIS  :  CHARGE DISTANCE       0.0000934

which looks very slow and oscillating.
Is this a case to be considered pathological
and signalling hidden errors in the calculation
or is it still an acceptable convergence trend?

Thanks for any suggestion.

Best Regards,
Leonardo Pisani.


-------------------------------------------------------
Leonardo Pisani
Institut fuer Theoretische Physik
J.W.Goethe-Universitat Frankfurt
Max von Laue Strasse 1
60438 Frankfurt am Main
Germany

Phone: +49 (69) 798-47828
Fax:   +49 (69) 798-47832
E-mail: pisani at itp.uni-frankfurt.de
-------------------------------------------------------




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