On 2/27/19 4:03 AM, mboron1...@gmail.com wrote:
>
> I have checked Step-40. Lets say we have an*old_locally_relevant_solution
> *vector and a *new_locally_relevant_solution_update* vector (*extracted from
> the completely distributed solution in the solve module*). How can we add
> these two vectors in DEALII. Thanking you in anticipation.
Since locally relevant vectors have ghost elements, they are read-only. You
need to create completely distributed vectors out of these. You can add them
together, and then make locally relevant vectors again. (Or do the addition
*before* converting the update vector into a locally relevant one.)
Best
W.
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Wolfgang Bangerth email: bange...@colostate.edu
www: http://www.math.colostate.edu/~bangerth/
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