tried to automate generation of graphs

dokumentation/evolution1d/20170830-evolution1D_5x5_100Times.csv

@@ -0,0 +1,101 @@
+"Least squares",regularity,variability,improvement,steps,"Evolution error",sigma
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dokumentation/evolution1d/images.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+if [[ $? -ne 1 ]]; then
+    echo "usage: $0 <DATA.csv>"
+else
+    $data=$1;
+    $png=`echo $1 | sed -s "s/\.csv$//"` # strip ending
+    (gnuplot <<EOD
+f(x)=a*x+b
+fit f(x) "$data" every ::1 using 2:5 via a,b
+set terminal png
+set output "${png}_regularity-vs-steps.png"
+plot "$data" every ::1 using 2:5 title "regularity vs. steps", f(x) lc rgb "black"
+EOD
+) 2> "${png}.gnuplot.log"
+    mv fit.log "${png}.gnuplot.fit.log"
+fi