]> https://gitweb.dealii.org/ - dealii.git/commitdiff
Add something to say that the set of eigenvalues can sometimes be continuous,
authorWolfgang Bangerth <bangerth@math.tamu.edu>
Sat, 1 Aug 2009 17:52:39 +0000 (17:52 +0000)
committerWolfgang Bangerth <bangerth@math.tamu.edu>
Sat, 1 Aug 2009 17:52:39 +0000 (17:52 +0000)
not just discrete.

git-svn-id: https://svn.dealii.org/trunk@19164 0785d39b-7218-0410-832d-ea1e28bc413d

deal.II/examples/step-36/doc/intro.dox

index 0ebb8227489ee962f8f3f2097bfbdf610b908aaf..944e985c2e1c0c5a1dd56a6ad29e74f82e7ab4e9 100644 (file)
@@ -28,7 +28,9 @@ also contains differential operators.
 
 Under suitable conditions, the above equations have a set of solutions
 $\Psi_\ell,\varepsilon_\ell$, $\ell\in {\cal I}$, where $\cal I$ can
-be a finite or infinite set. In either case, let us note that there is
+be a finite or infinite set (and in the latter case it may be a discrete or
+sometimes at least in part a continuous set). In either case, let us note that
+there is 
 no longer just a single solution, but a set of solutions (the various
 eigenfunctions and corresponding eigenvalues) that we want to
 compute. The problem of numerically finding all eigenvalues

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