]> https://gitweb.dealii.org/ - dealii-svn.git/commitdiff
Fix totally botched sentence.
authorbangerth <bangerth@0785d39b-7218-0410-832d-ea1e28bc413d>
Thu, 25 Sep 2008 13:28:18 +0000 (13:28 +0000)
committerbangerth <bangerth@0785d39b-7218-0410-832d-ea1e28bc413d>
Thu, 25 Sep 2008 13:28:18 +0000 (13:28 +0000)
git-svn-id: https://svn.dealii.org/trunk@17007 0785d39b-7218-0410-832d-ea1e28bc413d

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

index 93c4ec0e5a7654881fe35166a4b184c46474347e..4fbda7dc077eb7d77789baa6b48174534cd504be 100644 (file)
  *        is a <code>Tensor@<2,dim@></code>, i.e. a matrix $G_{ij}$ that consits
  *        of entries $G_{ij}=\frac{\partial\phi_i}{\partial x_j}$. Finally,
  *        both scalar and vector views can be asked for the second derivatives
- *        ("Hessians"); vector views can also be queried for the
- *        symmetric gradients as well as the divergence (as we do in the
- *        example), the latter former a tensor of rank 3, the latter a scalar.
- *        Finally, vector views can be asked for the symmetric gradient,
+ *        ("Hessians") and vector views can be asked for the symmetric gradient,
  *        defined as $S_{ij}=\frac 12 \left[\frac{\partial\phi_i}{\partial x_j}
- *        + \frac{\partial\phi_j}{\partial x_i}\right]$.
+ *        + \frac{\partial\phi_j}{\partial x_i}\right]$ as well as the
+ *        divergence $\sum_{d=0}^{dim-1} \frac{\partial\phi_d}{\partial x_d}$.
  * </ul>
  * Other examples of using extractors and views are shown in tutorial programs
  * @ref step_21 "step-21",

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