From 5b2b971c493c6b1d007d4179b8a0613edfb721d2 Mon Sep 17 00:00:00 2001 From: wolf Date: Tue, 7 Jun 2005 16:33:47 +0000 Subject: [PATCH] Add a caution. git-svn-id: https://svn.dealii.org/trunk@10844 0785d39b-7218-0410-832d-ea1e28bc413d --- deal.II/deal.II/include/fe/fe_raviart_thomas.h | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) diff --git a/deal.II/deal.II/include/fe/fe_raviart_thomas.h b/deal.II/deal.II/include/fe/fe_raviart_thomas.h index 1ab8f1d4a7..9891ee9130 100644 --- a/deal.II/deal.II/include/fe/fe_raviart_thomas.h +++ b/deal.II/deal.II/include/fe/fe_raviart_thomas.h @@ -203,10 +203,24 @@ class FE_RaviartThomas : public FiniteElement const unsigned int component) const; /** - * Return the polynomial degree + * Return the order * of this finite element, * i.e. the value passed to the * constructor. + * + * Note that for this element, + * the order is actually one + * lower than the maximal + * polynomial degree, unlike for + * most of the other + * elements. For example, the RT0 + * element as piecewise linear + * shape functions, even though + * the normal component of them + * is piecewise constant on each + * face (the latter being the + * property that defines the + * order of the element). */ unsigned int get_degree () const; -- 2.39.5