From: wolf Date: Wed, 1 Aug 2001 11:59:29 +0000 (+0000) Subject: Clarify docs. X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d83cde4ad6d3a3e9303c7abeb854d2bf06ca3712;p=dealii-svn.git Clarify docs. git-svn-id: https://svn.dealii.org/trunk@4866 0785d39b-7218-0410-832d-ea1e28bc413d --- diff --git a/deal.II/deal.II/include/fe/fe_tools.h b/deal.II/deal.II/include/fe/fe_tools.h index 46860d6e23..963a011877 100644 --- a/deal.II/deal.II/include/fe/fe_tools.h +++ b/deal.II/deal.II/include/fe/fe_tools.h @@ -171,17 +171,28 @@ class FETools * @p{dof2} need to be @ref{DoFHandler} * based on the same triangulation. * - * This function is interesting for - * e.g. extrapolating patchwise a - * piecewise linear dual solution - * to a piecewise quadratic dual - * solution. + * This function is interesting + * for e.g. extrapolating + * patchwise a piecewise linear + * solution to a piecewise + * quadratic solution. + * + * Note that the resulting field + * does not satisfy continuity + * requirements of the given + * finite elements. You have to + * apply + * @ref{ConstraintMatrix}@p{::distribute} + * with the hanging node + * constraints of the second DoF + * handler object to make the + * output continuous again. */ template static void extrapolate(const DoFHandler &dof1, - const Vector &z1, + const Vector &z1, const DoFHandler &dof2, - Vector &z2); + Vector &z2); /**