It appears that you are trying to run a FiPy 3.0 example with an earlier installation of FiPy. We do not maintain (or even use) the MatForge Live CD and I don't know how old it is. The FiPyWorkbook wiki was contributed by one of FiPy's users, Will Gathright, over two years ago, so I would guess that the Live CD might be that old, too. You can try running:
python -c "import fipy; print fipy.__version__" Please see the canonical installation instructions at http://www.ctcms.nist.gov/fipy/INSTALLATION.html On Nov 1, 2012, at 6:41 PM, Olivier DEZELLUS wrote: > A precision: in the FiPy version of the live CD, the test of "constrain" > return an error message: > >>>> v = Variable((0,1,2,3)) >>>> v.constrain(2,numerix.array((True,False,False,False))) > Traceback (most recent call last): > File "<pyshell#2>", line 1, in <module> > v.constrain(2,numerix.array((True,False,False,False))) > AttributeError: 'Variable' object has no attribute 'constrain' > > Olivier > > > > > Le 01/11/12 19:38, Olivier DEZELLUS a écrit : >> Dear all, >> >> as a new user of FiPy I tried to run examples and especially the >> diffusion/mesh1D. However, it seems that a part of the program is not >> working: the time-dependent boundary condition. >> >> When running the example by using "python ./mesh1D.py", all is working >> well, the different figures appear, except the one of time-dependent >> boundary. I also tried to run the example in an interactive mode and the >> following error message is returned: >> >> del C.faceConstraints >> AttributeError: faceConstraints >> >> For information, I tried to install FiPy on my Macbook (Mac OS X 10.6.8) >> but without any success. Then I used the Fipy Live CD >> (http://matforge.org/fipy/wiki/FiPyWorkbook). >> >> Thank's a lot for your help. >> >> Olivier >> > > -- > > ----------------------------------------------------------------- > La France est en 5e position pour le nombre de publications et en 26e pour le > financement de la recherche académique. > Notre système de recherche est-il inefficace ou insuffisamment financé ? > > http://recherche-en-danger.apinc.org/ > > ------------------------------------------------------------------ > Dr Olivier DEZELLUS > Laboratoire des Multimatériaux et Interfaces (UMR 5615) > http://lmi.cnrs.fr/ > 43, Bd du 11 Novembre 1918 > 69622 Villeurbanne Cedex > Tel: 04 72 44 83 86 > Fax: 04 72 44 06 18 > > > > _______________________________________________ > fipy mailing list > [email protected] > http://www.ctcms.nist.gov/fipy > [ NIST internal ONLY: https://email.nist.gov/mailman/listinfo/fipy ] _______________________________________________ fipy mailing list [email protected] http://www.ctcms.nist.gov/fipy [ NIST internal ONLY: https://email.nist.gov/mailman/listinfo/fipy ]
