reset

set encoding iso_8859_15
set terminal pslatex color rotate


set grid
set key top left

set ylabel "$\\sin(\\delta) [-]$"
set xlabel "$k/d [m^{-1}]$"

f(x) = m*x + c

fit f(x) 'plot_lambda.dat' u 2:1 via m, c

set output 'plot_lambda.tex'
plot 'plot_lambda.dat' u 2:1 lw 2 lt 1 title "Messwerte",  f(x) title "lineare Regression"  lw 2 lt 2