]> https://gitweb.dealii.org/ - dealii-svn.git/commitdiff
Slighty re-write one entry.
authorbangerth <bangerth@0785d39b-7218-0410-832d-ea1e28bc413d>
Fri, 5 Dec 2008 00:41:15 +0000 (00:41 +0000)
committerbangerth <bangerth@0785d39b-7218-0410-832d-ea1e28bc413d>
Fri, 5 Dec 2008 00:41:15 +0000 (00:41 +0000)
git-svn-id: https://svn.dealii.org/trunk@17847 0785d39b-7218-0410-832d-ea1e28bc413d

deal.II/doc/news/changes.h

index d3266aada9bfb4b23aa817b726d1c59563f3a7e7..8a81202d46c32469458b07c8d7dd6310b276272b 100644 (file)
@@ -505,10 +505,11 @@ inconvenience this causes.
 <ol>
   <li>
   <p>
-  New: The function DoFTools::make_zero_boundary_constraints() applies 
-  zero boundary constraints to a (symmetric preserved) matrix without 
-  accessing the sparsity pattern. Use cases are for when the sparsity pattern
-  of the matrix is unknown / inaccessible.
+  New: The function DoFTools::make_zero_boundary_constraints() computes the
+  constraints that result from requiring the degrees of freedom at the
+  boundary to be zero. This allos to apply zero boundary constraints to
+  a matrix in the same way as other constraints, rather than going
+  through the MatrixTools::apply_boundary_values function.
   <br>
   (Toby D. Young 2008/12/04)
   </p>

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