From: Marco Feder <marco.feder@sissa.it>
Date: Tue, 2 Nov 2021 17:40:07 +0000 (+0100)
Subject: Fixed latex typo in step-38 doc
X-Git-Tag: v9.4.0-rc1~863^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0f2994bf0d56af0d1c70b0428081480c4137fb0d;p=dealii.git

Fixed latex typo in step-38 doc
---

diff --git a/examples/step-38/doc/intro.dox b/examples/step-38/doc/intro.dox
index dc4915bd33..ecbf3ab1b9 100644
--- a/examples/step-38/doc/intro.dox
+++ b/examples/step-38/doc/intro.dox
@@ -114,15 +114,9 @@ expressions.
 In fact, they barely differ from the ways in which we solve the usual
 Laplacian, only requiring the surface coordinate mapping to be provided in the
 constructor of the FEValues class.
-This surface description given, in the codimension one surface case, the two
-routines FEValues::shape_grad and FEValues::JxW
-return
-@f{align*}
-\text{FEValues::shape\_grad}(i,l)&=D \mathbf x_K(p_l) G^{-1}(p_l)D(\varphi_i \circ \mathbf x_K)
-  (p_l)
-\\
-\text{FEValues::JxW}(l) &=  \sqrt{\det (G(p_l))} \ w_l.
-@f}
+The surface description given, in the codimension one case, the two routines we need are the following:
+- <code>FEValues::shape_grad(i,l)</code>, which returns $D \mathbf x_K(p_l) G^{-1}(p_l)D(\varphi_i \circ \mathbf x_K)$
+- <code>FEValues::JxW(l)</code>, which returns $\sqrt{\det (G(p_l))} \ w_l$.
 This provides exactly the terms we need for our computations.
 
 On a more general note, details for the finite element approximation on