Use a different approach: Build a matrix that contains the vector Laplacian with the no-normal-flux boundary conditions. The boundary conditions do couple the individual components, but only on the boundary.
Use a different approach: Build a matrix that contains the vector Laplacian with the no-normal-flux boundary conditions. The boundary conditions do couple the individual components, but only on the boundary.

git-svn-id: 31d9d2f6432a47c86a3640814024c107794ea77c@16523 0785d39b-7218-0410-832d-ea1e28bc413d

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