reset

set encoding iso_8859_1
set title "Spannungsverstärkung bei R_B = 680 {/Symbol W}"
set xrange [5e-3:24e-3]
set xlabel "[U_{e} in V]"
set ylabel "[U_{a} in V]"
set grid xtics ytics
set key top left

f(x) = a*x + b
fit f(x) 'DatenSpannungsverstarkungRB680.txt' us ($2):($1) via a,b

plot 'DatenSpannungsverstarkungRB680.txt' us ($2):($1) title 'Messwerte' lt 1, \
     f(x) title 'Ausgleichsgerade' lt 3

set output "spannungsverstarkungrb680.eps"
set term postscript enhanced eps color; replot