From 62bb7acf86e37041ffd30918e33a8ff6aa863e89 Mon Sep 17 00:00:00 2001
From: Nao Pross <np@0hm.ch>
Date: Wed, 28 Jul 2021 11:47:42 +0200
Subject: Surface integrals and vector derivatives

---
 tex/hsrstud.sty | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

(limited to 'tex')

diff --git a/tex/hsrstud.sty b/tex/hsrstud.sty
index 97c148f..a65cfa4 100644
--- a/tex/hsrstud.sty
+++ b/tex/hsrstud.sty
@@ -176,7 +176,7 @@
 
 %% Products ((
 \newcommand{\dotp}{\boldsymbol\cdot}
-\newcommand{\crossp}{\boldsymbol\crossp}
+\newcommand{\crossp}{\boldsymbol\times}
 \newcommand{\cross}{\crossp}
 %%))
 
@@ -222,9 +222,15 @@
 
 %% laplacian ((
 \ifhsr@textvecdiff
-    \DeclareMathOperator{\laplace}{div grad}
+    \DeclareMathOperator{\laplacian}{div grad}
 \else
-    \DeclareMathOperator{\laplace}{\nabla^2}
+    \DeclareMathOperator{\laplacian}{\nabla^2}
+\fi
+
+\ifhsr@textvecdiff
+    \DeclareMathOperator{\vlaplacian}{div grad}
+\else
+	\DeclareMathOperator{\vlaplacian}{\vec{\nabla}^2}
 \fi
 %% ))
 
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