On 04/20/2018 02:22 AM, 'Maxi Miller' via deal.II User Group wrote:
Furthermore, the documentation for extract_dofs() states that
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Thesize of selected_dofs must equal DoFHandler::n_dofs()
<http://www.dealii.org/developer/doxygen/deal.II/classDoFHandler.html#a54e7270f2ba6206604f794114b39a2aa>
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while the error message tells me that the vector must have a size of
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dof.n_locally_owned_dofs()
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That is slightly confusing...
Yes. I fixed this:
https://github.com/dealii/dealii/pull/6273
> I already suspected this. Do you have a suggestion how to solve it? Or a
> suggestion for a better approach?
The approach is generally fine, but you need to translate between the two sets
of indices. In particular, you need to find the global index of the i'th
"locally owned dof". This should be easy by asking the index set of locally
owned dofs you can get from the dof handler.
Best
W.
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Wolfgang Bangerth email: [email protected]
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