From 58eea3aa24ceb73fbfe1be54f716159393daa78d Mon Sep 17 00:00:00 2001
From: haasdonk <haasdonk@mathematik.uni-stuttgart.de>
Date: Wed, 8 May 2024 17:12:32 +0200
Subject: [PATCH] added README.txt

---
 README.txt           | 28 ++++++++++++++++++++++++++++
 fem_sector_example.m | 15 +++++++++------
 2 files changed, 37 insertions(+), 6 deletions(-)
 create mode 100644 README.txt

diff --git a/README.txt b/README.txt
new file mode 100644
index 0000000..b416537
--- /dev/null
+++ b/README.txt
@@ -0,0 +1,28 @@
+This directory provides the code for the experiments
+to the paper
+"Adaptive meshfree approximation for linear
+elliptic partial differential equations with
+PDE-greedy kernel methods" by
+Tizian Wenzel, Daniel Winkle, Gabriele Santin, and Bernard Haasdonk
+
+More specific:
+
+For reproducing the FEM convergence table on the sector example
+of Section 6.1, please
+
+a) Install RBmatlab from the website www.morepas.org/software
+
+The code can be run if RBmatlab from version 16.09 is installed
+
+b) run the script fem_sector_example.m from this directory
+
+Caution:
+
+This operation is very expensive (takes several hours) as hundred of
+thousands of point with global coordinates need to be searched and found
+in FEM meshes. This is required to be consistent in the error computation
+to other approximation techniques using these uniform test grids.
+
+
+
+
diff --git a/fem_sector_example.m b/fem_sector_example.m
index b73fd45..58039e4 100644
--- a/fem_sector_example.m
+++ b/fem_sector_example.m
@@ -2,13 +2,16 @@ function fem_sector_example(step)
 %function fem_sector_example(step)
 %
 % Demonstration of FEM error convergence for sector example.
-% very expensive as point with global coordinates need to be
-% searched and found in FEM mesh. But this is required to be consistent
-% with other approximation techniques using these uniform grids.
-% the code can be run if RBmatlab from version 16.09 is installed
-% as obtained from www.morepas.org.
+%
+% This operation is very expensive (takes several hours) as hundred of
+% thousands of point with global coordinates need to be searched and found
+% in FEM meshes. This is required to be consistent in the error computation
+% to other approximation techniques using these uniform test grids.
+%
+% The code can be run if RBmatlab from version 16.09 is installed
+% as obtained from www.morepas.org/software 
 
-% B. Haasdonk 26.7.2023
+% B. Haasdonk 8.5.2024
 
 if nargin < 1
   step = 4;
-- 
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