On 7/21/22 03:34, 王昆 wrote:
I am a dealii amateur from China. Recently, I encouter a problem when
programing with the dealii lib (version 9.2.0). When I output the sparsity
pattern using method BlockSparsityPattern:: print_gnuplot(), it can
successfully output a data file. But we found that some indices are out of the
range allowed either for the row or column. I don't known why. I guess that
this may be caused by the constraint arising from the periodic boundary
condition applied. But I have no ideal how to fix it. Could you provide me
some tips on how to solve this problem? Thank you very much.
K. Wang:
It's hard to tell what is going wrong because we don't know from your message
at what point during the program's execution you are outputting the sparsity
pattern, or which specific entries you are trying to write to but that you
can't. Can you create a small program that illustrates the issue you are facing?
Best
W.
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Wolfgang Bangerth email: bange...@colostate.edu
www: http://www.math.colostate.edu/~bangerth/
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