set output 'E:\Projekte\wikipedia\Epanechnikov-Kern\epanechnikov.svg'
set terminal svg

set termoption enhanced
#fname "DejaVu Sans"

set xrange [-3:3]
set yrange [-0.1:.5]

set grid
set xzeroaxis lt -1
set yzeroaxis lt -1
set noborder
set xtics nomirror
set ytics nomirror
set size ratio .3
#set xtics 0.5
set ytics 0.1

set samples 80

k(x)= x>=-sqrt(5) && x<sqrt(5) ? 3/(4*sqrt(5))*(1-x**2/5) : 0
set title 'Epanechnikov-Kern k_{E}(x)=3/(4*sqrt(5))*(1-x**2/5) '
plot  k(x) title "k_{E}(x)"