From: Martin Kronbichler <kronbichler@lnm.mw.tum.de>
Date: Mon, 7 May 2018 14:53:27 +0000 (+0200)
Subject: Try to fix latex formula.
X-Git-Tag: v9.0.0-rc4~8^2~3
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=805daacf997f3e045d0c4225a2a6c0f56572128d;p=dealii.git

Try to fix latex formula.
---

diff --git a/examples/step-59/doc/intro.dox b/examples/step-59/doc/intro.dox
index d723fcc96b..67b77a147c 100644
--- a/examples/step-59/doc/intro.dox
+++ b/examples/step-59/doc/intro.dox
@@ -49,10 +49,10 @@ For this tutorial program, we exemplify the matrix-free DG framework for the
 interior penalty discretization of the Laplacian, i.e., the same scheme as the
 one used for the step-39 tutorial program. The discretization of the Laplacian
 is given by the following weak form
-@f{eqnarray*}
-&&\sum_{K\in\text{cells}} \left(\nabla v_h, \nabla u_h\right)_{K}+\\
-&&\sum_{F\in\text{faces}}\Big(-\left<[\![v_h]\!], \{\!\{\nabla u_h\}\!\}\right>_{F} - \left<\{\!\{\nabla v_h\}\!\}, \left<[\![u_h]\!]\right>_{F}\right) + \left<\left<[\![v_h]\!], \sigma \left<[\![u_h]\!]\right>_{F}\Big) \\
-&&= \sum_{K\in\text{cells}}\left(v_h, f\right)_{K},
+@f{align*}
+&\sum_{K\in\text{cells}} \left(\nabla v_h, \nabla u_h\right)_{K}+\\
+&\sum_{F\in\text{faces}}\Big(-\left<[\![v_h]\!], \{\!\{\nabla u_h\}\!\}\right>_{F} - \left<\{\!\{\nabla v_h\}\!\}, \left<[\![u_h]\!]\right>_{F}\right) + \left<\left<[\![v_h]\!], \sigma \left<[\![u_h]\!]\right>_{F}\Big) \\
+&= \sum_{K\in\text{cells}}\left(v_h, f\right)_{K},
 @f}
 where $[\![v]\!] = v^- \mathbf{n}^- + v^+ \mathbf{n}^+ = \mathbf n^{-}
 \left(v^- - v^+\right)$ denotes the directed jump of the quantity $v$ from the