From c1fd3242a5a3d51f093f5629ef7798c5c6508197 Mon Sep 17 00:00:00 2001 From: wolf Date: Fri, 6 Aug 1999 17:27:41 +0000 Subject: [PATCH] Add comment. git-svn-id: https://svn.dealii.org/trunk@1630 0785d39b-7218-0410-832d-ea1e28bc413d --- deal.II/lac/include/lac/sparse_vanka.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/deal.II/lac/include/lac/sparse_vanka.h b/deal.II/lac/include/lac/sparse_vanka.h index a4b7cd9a32..221528ce61 100644 --- a/deal.II/lac/include/lac/sparse_vanka.h +++ b/deal.II/lac/include/lac/sparse_vanka.h @@ -83,6 +83,14 @@ * vanka); * \end{verbatim} * + * + * \subsubsection{Implementor's remark} + * At present, the local matrices are built up such that the degree of freedom + * associated with the local Lagrange multiplier is the first one. Thus, usually + * the upper left entry in the local matrix is zero. It is not clear to me (W.B.) + * whether this might pose some problems in the inversion of the local matrices. + * Maybe someone would like to check this. + * * @author Guido Kanschat, 1999 */ template -- 2.39.5