Am Donnerstag, 18. Juli 2019 10:52:46 UTC+2 schrieb Wolfgang Bangerth:
>
> On 7/9/19 9:01 AM, Gabriel Peters wrote: 
> > 
> > After some debugging I found out that the term /(-1)* 
> sol_p[i]*div_sol_u[j]/ 
> > makes this trouble. Can somebody tell me why? 
>
> My suspicion would be that you are writing into an element of the matrix 
> for 
> which you have not allocated space in the sparsity pattern. Could that be 
> the 
> case? 
>
> Thanks a lot for the hint, now I found an error in my coupling for the 
make_sparsity_pattern function.
So indeed the space was not allocated.
Thanks a lot

Gabriel

Best 
>   W. 
>
> -- 
> ------------------------------------------------------------------------ 
> Wolfgang Bangerth          email:                 bang...@colostate.edu 
> <javascript:> 
>                             www: http://www.math.colostate.edu/~bangerth/ 
>
>

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