]> https://gitweb.dealii.org/ - dealii-svn.git/commitdiff
Augment.
authorbangerth <bangerth@0785d39b-7218-0410-832d-ea1e28bc413d>
Mon, 22 Sep 2008 01:42:45 +0000 (01:42 +0000)
committerbangerth <bangerth@0785d39b-7218-0410-832d-ea1e28bc413d>
Mon, 22 Sep 2008 01:42:45 +0000 (01:42 +0000)
git-svn-id: https://svn.dealii.org/trunk@16888 0785d39b-7218-0410-832d-ea1e28bc413d

deal.II/doc/doxygen/headers/glossary.h

index b412c97b03ac0f9c037f7bb7dab6315d9c2c0fce..275ddf223acc871c2c4f3112a33c12f94d2a41f4 100644 (file)
  * directional derivatives. Since the shape functions are linear
  * combinations of those, they constitute only a single block. The
  * primal function <i>u</i> would be in the second block, but in the
- * <tt>dim+1</tt>st component.  </dd>
+ * <tt>dim+1</tt>st component.
+ *
+ * In most cases, when you subdivide a matrix or vector into blocks, you do so
+ * by creating one block for each vector component. However, this is not
+ * always so, and the DoFRenumbering::component_wise function allows to group
+ * several vector components into the same block (see, for example, the @ref
+ * step_22 "step-22" or @ref step_31 "step-31" tutorial programs, as opposed
+ * to @ref step_20 "step-20").  </dd>
  *
  * <dt class="glossary">@anchor GlossComponent component</dt>
  *

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