From: Huimin Chen <hkchm1997@gmail.com>
Date: Thu, 2 Jun 2022 10:56:09 +0000 (-0400)
Subject: fix a formula error
X-Git-Tag: v9.4.0-rc1~30^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=04a5dd28f2884abed6f808029540190189edb3ef;p=dealii.git

fix a formula error

the third formula in'update_flags.h' is fixed
---

diff --git a/doc/doxygen/headers/update_flags.h b/doc/doxygen/headers/update_flags.h
index d5f9e6552b..6c0caca803 100644
--- a/doc/doxygen/headers/update_flags.h
+++ b/doc/doxygen/headers/update_flags.h
@@ -46,7 +46,7 @@
  * - Second, this integral is then approximated through quadrature. This yields
  *   the formula
  *   @f[
- *     A^K_{ij} = \sum_{q}J^{-1}\left[(\hat{\bf x}_q) \hat \nabla \varphi_i(\hat{\bf x}_q)\right] \cdot
+ *     A^K_{ij} = \sum_{q}\left[J^{-1}(\hat{\bf x}_q) \hat \nabla \varphi_i(\hat{\bf x}_q)\right] \cdot
  *     \left[J^{-1}(\hat{\bf x}_q) \hat \nabla \varphi_j(\hat{\bf x}_q)\right]\ |\textrm{det}\ J(\hat{\bf x}_q)|
  *     w_q,
  *   @f]