Hi Mattia I remember a similar question was posted sometime back. I have located the solution given then.
Please access https://mail.gna.org/public/getfem-users/2008-10/msg00003.html for a description of the problem, and its solution. Regards Arvind On Mon, Jul 6, 2009 at 9:34 PM, Mattia Assanelli <[email protected]>wrote: > A(x) for me isn't a function, but a vector... > > Arvind Ajoy ha scritto: > > Hi Mattia, > > > > Try the following to set A = cos(pi*x) in a 1-D problem. > > > > A = gf_mesh_fem_get(MFU, 'eval', {'cos(pi * x)'}); > > > > Arvind > > > > > > > > On Mon, Jul 6, 2009 at 2:42 PM, Mattia Assanelli > > <[email protected] <mailto:[email protected]>> wrote: > > > > Good morning everybody, > > first of all I'd like to thank people reading and suggesting > solutions > > in this list: I always found a solution for my trivial problems! > > I have to set a position dependent 'A' parameter in a 'generic > > elliptic' > > problem. I think I have to use this function and pass the 'A' > > parameter > > as 'V'. > > > > gf_mdbrick_set > > < > http://download.gna.org/getfem/doc/getfem_matlab/gfm_40.html#gfmdbrickset > >(b,'param', > > name, MF,V | V) : change the value of a brick parameter. V should > > contain the new parameter value. If a meshfem is given , V should > hold > > the field values over that meshfem (i.e. its last dimension should be > > gf_mesh_fem_get > > < > http://download.gna.org/getfem/doc/getfem_matlab/gfm_33.html#gfmeshfemget > >(MF,'nbdof') > > > > But my question is: "How to format this matrix? V" > > > > Thanks a lot Mattia > > > > > > _______________________________________________ > > Getfem-users mailing list > > [email protected] <mailto:[email protected]> > > https://mail.gna.org/listinfo/getfem-users > > > > > > > -- > ------------------------------------------------- > Mattia Assanelli > Ph.D. Student > Politecnico di Milano > Dipartimento di Elettronica ed Informazione > Phone: +39 02 2399 3735 > Mail: [email protected] > Address:Via Golgi, 40 - 20133 Milano - Italy > ------------------------------------------------- > > > _______________________________________________ > Getfem-users mailing list > [email protected] > https://mail.gna.org/listinfo/getfem-users >
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