[scilab-Users] Umpfpack dll
Allan CORNET
allan.cornet at scilab.org
Thu Apr 15 17:03:44 CEST 2010
Hi,
Fixed in nightly build (branch 5.2) and next 5.2.2
http://bugzilla.scilab.org/show_bug.cgi?id=6897
Thanks you
Allan CORNET
--
------------------------------
Allan CORNET
------------------------------
Consortium Scilab
Digiteo
Domaine de Voluceau
Rocquencourt - B.P. 105
78153 Le Chesnay Cedex France
------------------------------
De : Eric Jacquet-Lagrèze [mailto:eric.jacquet-lagreze at eurodecision.com]
Envoyé : jeudi 15 avril 2010 17:00
À : users at lists.scilab.org
Objet : RE: [scilab-Users] Umpfpack dll
Hello
I did found the solution to my previous problem (impossibility to run
Umpfpack dll under windows:
When installing UMFPACK, this component is proposed, but after there are
mentions to the libraries. cid:image002.png at 01CADC05.ECE5A2A0
The default option Intel Kernel Library for Scilab, does not work.
If we select teh library Blas, Lapack de référence pour Scilab, it works
well :
cid:image003.png at 01CADC06.04C69C80
Eric JACQUET-LAGREZE
Directeur associé / Associate manager
EURODECISION
9A rue de la Porte de Buc 78000 VERSAILLES
Office : +33 (0)1 39 07 12 40
Mobile : +33 (0)6 07 32 36 23
www.eurodecision.com
<http://www.eurodecision.com/> cid:image001.gif at 01CAB145.F4B20E50
De : Eric Jacquet-Lagrèze [mailto:eric.jacquet-lagreze at eurodecision.com]
Envoyé : mardi 13 avril 2010 12:06
À : 'users at lists.scilab.org'
Objet : [scilab-Users] Umpfpack dll
Hello
Has someone experience using UMPFPACK library (dll under windows) ?
I would like to now how to access to the Umfpack method for solving spare
linear systems using scilab-5.2.1
A = sparse( [ 2 3 0 0 0;
3 0 4 0 6;
0 -1 -3 2 0;
0 0 1 0 0;
0 4 2 0 1] );
b = [8 ; 45; -3; 3; 19];
Lusolve works well
x=lusolve(A,b)
x =
1.
2.
3.
4.
5.
norm(A*x-b)
ans =
0.
But when I call umfpack, it does not find the dll:
>x = umfpack(b,"/",A)
!--error 999
Impossible de charger la bibliothèque umfpack.dll : La procédure spécifiée
est introuvable.
Nevertheless umfpack.dll exists in the directory C:\Program
Files\scilab-5.2.1\bin
Eric JACQUET-LAGREZE
EURODECISION
9A rue de la Porte de Buc 78000 VERSAILLES
Office : +33 (0)1 39 07 12 40
Mobile : +33 (0)6 07 32 36 23
www.eurodecision.com
<http://www.eurodecision.com/> cid:image001.gif at 01CAB145.F4B20E50
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