]> https://gitweb.dealii.org/ - dealii-svn.git/commitdiff
Clarify.
authorbangerth <bangerth@0785d39b-7218-0410-832d-ea1e28bc413d>
Fri, 23 Sep 2011 04:19:13 +0000 (04:19 +0000)
committerbangerth <bangerth@0785d39b-7218-0410-832d-ea1e28bc413d>
Fri, 23 Sep 2011 04:19:13 +0000 (04:19 +0000)
git-svn-id: https://svn.dealii.org/trunk@24387 0785d39b-7218-0410-832d-ea1e28bc413d

deal.II/examples/step-32/doc/intro.dox

index 6a418eaef3c31acd19748dc5b76cc1b84b3a97d3..f92a65223a23d1199e664105756d6e3e4c59cc42 100644 (file)
@@ -350,7 +350,8 @@ however, we have re-scaled the $B$ and $B^T$ operators. So $S$ should now
 approximate
 $-\frac{\eta}{L}\text{div}(-\eta\Delta)^{-1}\nabla \frac{\eta}{L} \approx
 \left(\frac{\eta}{L}\right)^2 \frac 1{\eta} \mathbf{1}$.
-This is exactly the operator we use to approximate $S$.
+We use the discrete form of the right hand side of this as our approximation
+$\tilde S$ to $S$.
 
 
 @todo discretization with FE_DGP

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