From 749d52043c6199aa21bb24975c355b59eb9cd76b Mon Sep 17 00:00:00 2001 From: schnetter Date: Thu, 17 Mar 2005 19:04:54 +0000 Subject: More explanation. git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Norms/trunk@4 f4913095-0e4f-0410-abea-a123d184f1f3 --- README | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/README b/README index 86d648a..e639d5e 100644 --- a/README +++ b/README @@ -11,10 +11,16 @@ Purpose of the thorn: Compute norms of the state vector, e.g. for Mexico tests. These are special norms that make a difference between variables which have a -second derivative taken and variables which have not; see gr-qc -0503056. +second derivative taken and variables which have not; see +gr-qc/0503056. These norms include the gradients of those variables +that have a second derivative taken. In doing so, they take all +wavelenghts into account -- in contrast, a norm that would be based +simply on using centered differences to calculate gradients would not. -gr-qc 0503056: Calabrese, Hinder, Husa: Numerical stability for finite -difference approximations of Einstein's equations +References: + +Gioel Calabrese, Ian Hinder, Sascha Husa: Numerical stability for +finite difference approximations of Einstein's equations, +gr-qc/0503056 (2005) -- cgit v1.2.3