From 5a76904aa9e3fd70ae74f2e9e81f196d107b38de Mon Sep 17 00:00:00 2001
From: schnetter <schnetter@e296648e-0e4f-0410-bd07-d597d9acff87>
Date: Tue, 2 Nov 2004 22:03:36 +0000
Subject: For model Minkowski/gauge wave: Document how omega should be chosen
 for a diagonal plane wave.

git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinInitialData/Exact/trunk@213 e296648e-0e4f-0410-bd07-d597d9acff87
---
 doc/documentation.tex | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'doc')

diff --git a/doc/documentation.tex b/doc/documentation.tex
index a10b8db..84dd3f5 100644
--- a/doc/documentation.tex
+++ b/doc/documentation.tex
@@ -551,6 +551,8 @@ The parameters are
 \item	$\lambda = \verb|Minkowski_gauge_wave__lambda|$, the wavelength
 \item	$\delta = \verb|Minkowski_gauge_wave__phase|$, the phase shift
 \end{itemize}
+A plane wave has $\omega = \pm \lambda$ for a wave that travels in the
+$x$ direction, and $\omega = \pm \lambda \sqrt{2}$ for a diagonal wave.
 
 If the Boolean parameter \verb|Minkowski_gauge_wave__diagonal| is true,
 then we make the gauge wave travel diagonally across the grid by the
-- 
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