Fix latex errors.

git-svn-id: https://svn.dealii.org/trunk@2742 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/deal.II/include/numerics/derivative_approximation.h b/deal.II/deal.II/include/numerics/derivative_approximation.h
index 7edfc8b742721520a8a62d94c7c188d679ab6dcf..7834338d75235c935e131baa8390a9984e6d8ce5 100644 (file)
--- a/deal.II/deal.II/include/numerics/derivative_approximation.h
+++ b/deal.II/deal.II/include/numerics/derivative_approximation.h
@@ -82,9 +82,9 @@
  * approximation of the gradient, you will have to scale the results
  * of this class by an appropriate power of the mesh width. For
  * example, since
- * $\|u-u_h\|^2_{L_2} \le C h^2 \|\grad u\|^2_{L_2}$, it might be the
- * right thing to scale the indicators as $\eta_K = h \|\grad u\|_K$,
- * i.e. $\eta_K = h^{1+d/2} \|\grad u\|_{\infty;K}$, i.e. the right
+ * $\|u-u_h\|^2_{L_2} \le C h^2 \|\nabla u\|^2_{L_2}$, it might be the
+ * right thing to scale the indicators as $\eta_K = h \|\nabla u\|_K$,
+ * i.e. $\eta_K = h^{1+d/2} \|\nabla u\|_{\infty;K}$, i.e. the right
  * power is $1+d/2$.
  *
  * @author Wolfgang Bangerth, 2000

diff --git a/deal.II/deal.II/include/numerics/gradient_estimator.h b/deal.II/deal.II/include/numerics/gradient_estimator.h
index 7edfc8b742721520a8a62d94c7c188d679ab6dcf..7834338d75235c935e131baa8390a9984e6d8ce5 100644 (file)
--- a/deal.II/deal.II/include/numerics/gradient_estimator.h
+++ b/deal.II/deal.II/include/numerics/gradient_estimator.h
@@ -82,9 +82,9 @@
  * approximation of the gradient, you will have to scale the results
  * of this class by an appropriate power of the mesh width. For
  * example, since
- * $\|u-u_h\|^2_{L_2} \le C h^2 \|\grad u\|^2_{L_2}$, it might be the
- * right thing to scale the indicators as $\eta_K = h \|\grad u\|_K$,
- * i.e. $\eta_K = h^{1+d/2} \|\grad u\|_{\infty;K}$, i.e. the right
+ * $\|u-u_h\|^2_{L_2} \le C h^2 \|\nabla u\|^2_{L_2}$, it might be the
+ * right thing to scale the indicators as $\eta_K = h \|\nabla u\|_K$,
+ * i.e. $\eta_K = h^{1+d/2} \|\nabla u\|_{\infty;K}$, i.e. the right
  * power is $1+d/2$.
  *
  * @author Wolfgang Bangerth, 2000