]> https://gitweb.dealii.org/ - dealii-svn.git/commitdiff
git-svn-id: https://svn.dealii.org/trunk@23133 0785d39b-7218-0410-832d-ea1e28bc413d
authorbonito <bonito@0785d39b-7218-0410-832d-ea1e28bc413d>
Wed, 5 Jan 2011 21:11:49 +0000 (21:11 +0000)
committerbonito <bonito@0785d39b-7218-0410-832d-ea1e28bc413d>
Wed, 5 Jan 2011 21:11:49 +0000 (21:11 +0000)
deal.II/examples/step-38/doc/intro.dox

index 3c6970c3f738f9aafccbf14513d01002a533b134..de71fcf5461a1871843e62c76d7fd74b9c4adfc5 100644 (file)
@@ -192,7 +192,7 @@ solution. Since the solution function and its numerical approximation are only
 defined on the manifold, the obvious definition of this error functional is
 $| e |_{H^1} 
   = | \nabla_\Gamma e |_{L_2} 
-  = \left( \int_\Omega | \left[\mathbf 1 - \mathbf n \otimes \mathbf
+  = \left( \int_\Gamma | \left[\mathbf 1 - \mathbf n \otimes \mathbf
 n\right]\nabla (u-u_h) |^2 \right)^{1/2}$. This requires us to provide the
 <i>tangential</i> gradient $\left[\mathbf 1 - \mathbf n \otimes \mathbf
 n\right]\nabla u$ to the function VectorTools::integrate_difference

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