]> https://gitweb.dealii.org/ - dealii.git/commitdiff
Update a comment.
authorWolfgang Bangerth <bangerth@math.tamu.edu>
Sun, 9 Dec 2007 19:18:08 +0000 (19:18 +0000)
committerWolfgang Bangerth <bangerth@math.tamu.edu>
Sun, 9 Dec 2007 19:18:08 +0000 (19:18 +0000)
git-svn-id: https://svn.dealii.org/trunk@15584 0785d39b-7218-0410-832d-ea1e28bc413d

deal.II/lac/include/lac/block_matrix_array.h

index b27977500f110ab87ea6f2b551206e09dd611111..be8d81f0292caa84372cf4d25c5e2f1d23d31ca4 100644 (file)
@@ -2,7 +2,7 @@
 //    $Id$
 //    Version: $Name$
 //
-//    Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006 by the deal.II authors
+//    Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007 by the deal.II authors
 //
 //    This file is subject to QPL and may not be  distributed
 //    without copyright and license information. Please refer
@@ -252,9 +252,10 @@ class BlockMatrixArray : public Subscriptor
                                  const BlockVector<number>& v) const;
     
                                     /**
-                                     * Square of the matrix norm of a
-                                     * vector (at least for a
-                                     * symmetric matrix).
+                                     * Compute $u^T M u$. This is the square
+                                     * of the norm induced by the matrix
+                                     * assuming the matrix is symmetric
+                                     * positive definitive.
                                      */
     number matrix_norm_square (const BlockVector<number>& u) const;
     

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