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Re: [Getfem-users] Position dependent elliptic problem

From: Arvind Ajoy
Subject: Re: [Getfem-users] Position dependent elliptic problem
Date: Mon, 6 Jul 2009 21:28:30 +0530

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)'});


On Mon, Jul 6, 2009 at 2:42 PM, Mattia Assanelli <address@hidden> 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'.

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

But my question is: "How to format this matrix? V"

Thanks a lot Mattia

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