reset set xrange [490:710] set yrange [0.007:0.011] set title "Diagramm zur Aufgabe 2.2" set xlabel "[Anodenspannung {U} in V]" set ylabel "[Spulenstrom^2 {I^2} in A^2]" set grid xtics ytics f(x) = m * x + a fit f(x) 'DatenBusch.txt' us ($1):($2) via m,a plot \ 'DatenBusch.txt' us ($1):($2) title "Messwerte" lt 1, \ f(x) title "Ausgleichsgerade g6" lt 1 set output "Busch.eps" set term postscript enhanced eps color; replot