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,  09:18, 19 July 2012
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The data for this example can be found in the doc directory inside the
bim installation directory.

We want to solve the equation

$-\mathrm{div} ( \alpha \gamma ( \eta \nabla u - \beta u ) )+ \delta \zeta u = f g$

<b> Create the mesh and precompute the mesh properties </b>
<b> Set the coefficients for the problem:</b>

$-div ( \alpha \gamma ( \eta \nabla u - \beta u ) )+ \delta \zeta u = f g$
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