]> https://gitweb.dealii.org/ - dealii-svn.git/commitdiff
Fix mathematical description.
authorbangerth <bangerth@0785d39b-7218-0410-832d-ea1e28bc413d>
Thu, 24 Jun 2010 01:42:12 +0000 (01:42 +0000)
committerbangerth <bangerth@0785d39b-7218-0410-832d-ea1e28bc413d>
Thu, 24 Jun 2010 01:42:12 +0000 (01:42 +0000)
git-svn-id: https://svn.dealii.org/trunk@21305 0785d39b-7218-0410-832d-ea1e28bc413d

deal.II/examples/step-45/doc/intro.dox

index 92e860f95f9b494fb76b43623e9088163c6ed9eb..06415e6554e0a3aee08f0b83c40760e40e70a927 100644 (file)
@@ -32,11 +32,12 @@ consider the problem
    -\Delta u &=
    \pi^2\sin(\pi x)\sin(\pi y)  \qquad &\text{in }\Omega
   \\ 
-   u(0,y) &= 0 \qquad &\text{for }y\in(0,1)
+   u(x,0) &= 0 \qquad &\text{for }x\in(0,1)\qquad &&\text{(bottom boundary)}
   \\
-   u(1,y) &= 0 \qquad &\text{for }y\in(0,1)
+   u(x,1) &= 0 \qquad &\text{for }x\in(0,1)\qquad &&\text{(top boundary)}
   \\
-   u(x,0) &= u(x,1) \qquad &\text{for }x\in(0,1) 
+   u(0,y) &= u(1,y) \qquad &\text{for }y\in(0,1) 
+   \qquad && \text{(left and right boundaries)}
 @f}
 
 The way one has to see these periodic boundary conditions $u(x,0) = u(x,1)$ is

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