Sorry for the late reply. Thank you Prof. Bangerth. On Wednesday, September 4, 2019 at 9:19:42 PM UTC+5:30, vachan potluri wrote: > > Hello, > > I am reading step-12 of the tutorial. The following lines are from local > integrator for interior face (dinfo is an alias to MeshWorker::DoFInfo). > > FullMatrix<double> > <https://www.dealii.org/current/doxygen/deal.II/classFullMatrix.html> > &u1_v1_matrix = dinfo1.matrix(0, false).matrix; > FullMatrix<double> > <https://www.dealii.org/current/doxygen/deal.II/classFullMatrix.html> > &u2_v1_matrix = dinfo1.matrix(0, true).matrix; > FullMatrix<double> > <https://www.dealii.org/current/doxygen/deal.II/classFullMatrix.html> > &u1_v2_matrix = dinfo2.matrix(0, true).matrix; > FullMatrix<double> > <https://www.dealii.org/current/doxygen/deal.II/classFullMatrix.html> > &u2_v2_matrix = dinfo2.matrix(0, false).matrix; > > The matrix() function is documented here: > https://www.dealii.org/current/doxygen/deal.II/classMeshWorker_1_1LocalResults.html#afdae422206740b2f5a14fd562c27e6ca > . > > I couldn't understand what the arguments of this function signify. Can > anyone please clarify? > > Thank you > Vachan >
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