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Re: [Getfem-users] Position dependent elliptic problem

From: Mattia Assanelli
Subject: Re: [Getfem-users] Position dependent elliptic problem
Date: Mon, 06 Jul 2009 18:04:22 +0200
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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)'});


On Mon, Jul 6, 2009 at 2:42 PM, Mattia Assanelli <address@hidden <mailto: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
    problem. I think I have to use this function and pass the 'A'
    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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Mattia Assanelli
Ph.D. Student
Politecnico di Milano
Dipartimento di Elettronica ed Informazione
Phone:  +39 02 2399 3735
Mail:   address@hidden
Address:Via Golgi, 40 - 20133 Milano - Italy

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