From: Martin Kronbichler <kronbichler@lnm.mw.tum.de>
Date: Wed, 24 Apr 2019 20:45:35 +0000 (+0200)
Subject: Documentation fix in Physics::Transformations::Rotations::rotation_matrix_2d
X-Git-Tag: v9.1.0-rc1~178^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b35048815a0d0c71fc134abd72b3bced864cb80b;p=dealii.git

Documentation fix in Physics::Transformations::Rotations::rotation_matrix_2d
---

diff --git a/include/deal.II/physics/transformations.h b/include/deal.II/physics/transformations.h
index 12e8fcc8a3..93c49db07f 100644
--- a/include/deal.II/physics/transformations.h
+++ b/include/deal.II/physics/transformations.h
@@ -44,8 +44,8 @@ namespace Physics
        * Return the rotation matrix for 2-d Euclidean space, namely
        * @f[
        *  \mathbf{R} \dealcoloneq \left[ \begin{array}{cc}
-       *  cos(\theta) & sin(\theta) \\
-       *  -sin(\theta) & cos(\theta)
+       *  cos(\theta) & -sin(\theta) \\
+       *  sin(\theta) & cos(\theta)
        * \end{array}\right]
        * @f]
        * where $\theta$ is the rotation angle given in radians. In particular,