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176 bytes added ,  15:45, 19 July 2012
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The resut can be exported to vtk format to visualize with [[http://www.paraview.org|paraview]]
or [[https://wci.llnl.gov/codes/visit/|visit]]
 
<pre>
fpl_vtk_write_field ("vtkdata", mesh, {u, "Solution"}, {[gx; gy]', "Gradient"}, 1);
</pre>
 
you can also plot your data directly in Octave using <code> pdesurf </code>
 
<pre>
pdesurf (mesh.p, mesh.t, u)
</pre>
 
it will look like this
 
[[File:fiume_sol_pdesurf.png]]
[[Category:OctaveForge]]
[[Category:Packages]]
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