]> https://gitweb.dealii.org/ - dealii-svn.git/commitdiff
Link to results section of step-6 for a discussion of preconditioners.
authorbangerth <bangerth@0785d39b-7218-0410-832d-ea1e28bc413d>
Tue, 23 Sep 2008 19:45:57 +0000 (19:45 +0000)
committerbangerth <bangerth@0785d39b-7218-0410-832d-ea1e28bc413d>
Tue, 23 Sep 2008 19:45:57 +0000 (19:45 +0000)
git-svn-id: https://svn.dealii.org/trunk@16903 0785d39b-7218-0410-832d-ea1e28bc413d

deal.II/examples/step-5/step-5.cc

index 7cc14ebdfb0867580ca0adb44904756bf05fe508..965cc2a07218ee7022087f2bed190d5920c0050b 100644 (file)
@@ -616,6 +616,16 @@ void LaplaceProblem<dim>::assemble_system ()
                                 // default and do not specify
                                 // anything in the angle brackets.)
                                 //
+                                // Note that for the present case,
+                                // SSOR doesn't really perform much
+                                // better than most other
+                                // preconditioners (though better
+                                // than no preconditioning at all). A
+                                // brief comparison of different
+                                // preconditioners is presented in
+                                // the Results section of the next
+                                // tutorial program, step-6.
+                                //
                                 // With this, the rest of the
                                 // function is trivial: instead of
                                 // the <code>PreconditionIdentity</code>

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