RE: [deal.II] How to watch the variable of BlockVector type?

[Michael Li]

Yeah! .block(0) is essential. Without this, the data obtained is garbage!   Thanks for this great hint!   From: Wolfgang Bangerth Sent: Wednesday, August 18, 2021 8:37 PM To: dealii@googlegroups.com Subject: Re: [deal.II] How to watch the variable of BlockVector type?   On 8/18/21 7:18 PM, Michael Lee wrote: > >            BlockVector<double> & system_rhs; >            system_rhs.reinit(dofs_per_block); > > For normal vectors, I can use *((double(*)[10]) v.begin()), but it does not > work for BlockVector. I'm using VS code.   Try *( (double(*)[10]) v.block(0).begin())   Best   W.     -- ------------------------------------------------------------------------ Wolfgang Bangerth          email:                 bange...@colostate.edu                             www: http://www.math.colostate.edu/~bangerth/   -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed to the Google Groups "deal.II User Group" group. To unsubscribe from this group and stop receiving emails from it, send an email to dealii+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/dealii/46c327fa-1d8c-0eb9-d03e-40e5c3611447%40colostate.edu.   -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed to the Google Groups "deal.II User Group" group. To unsubscribe from this group and stop receiving emails from it, send an email to dealii+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/dealii/B0E16C6C-D172-4D48-BD6D-30EEC923A16A%40hxcore.ol.