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]>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
>
>
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