Doc update.

git-svn-id: https://svn.dealii.org/trunk@21983 0785d39b-7218-0410-832d-ea1e28bc413d

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 986a8471986c95ef3ddd6d89f13a4b2f8a801d00..0b3c25321f99e90d6f9751a462e13e90109cab5b 100644 (file)
--- a/deal.II/deal.II/include/fe/fe_raviart_thomas.h
+++ b/deal.II/deal.II/include/fe/fe_raviart_thomas.h
@@ -38,9 +38,19 @@ template <int dim, int spacedim> class MappingQ;
  *
  * We follow the usual definition of the degree of RT elements, which
  * denotes the polynomial degree of the largest complete polynomial
- * subspace contained in the RT space. Then, approciamtion order of
+ * subspace contained in the RT space. Then, approxiamtion order of
  * the function itself is <i>degree+1</i>, as with usual polynomial
- * spaces.
+ * spaces. The numbering so chosen implies the sequence
+ * @f[
+ *   Q_{k+1}
+ *   \stackrel{\text{grad}}{\rightarrow}
+ *   \text{Nedelec}_k
+ *   \stackrel{\text{curl}}{\rightarrow}
+ *   \text{RaviartThomas}_k
+ *   \stackrel{\text{div}}{\rightarrow}
+ *   DGQ_{k}
+ * @f]
+ * The lowest order element is consequently FE_RaviartThomas(0).
  *
  * This class is not implemented for the codimension one case
  * (<tt>spacedim != dim</tt>).