reset

set xrange [0:16]
set yrange [0:0.08]

set title "Zusammenfassung der Aufgabe 1.4"
set xlabel "[U^{0.5}/I in V^{0.5}/A]"
set ylabel "[Kreisradius in m]"
set grid xtics ytics

f(x) = m * x + a

fit f(x) 'Datenem3.txt' us ($1):($2) via m,a

plot \
'Datenem3.txt' us ($1):($2) notitle lt 1, \
f(x) title "Ausgleichsgerade g5" lt 1

set output "em3.eps"
set term postscript enhanced eps color; replot