\begin{gnuplot}[terminal=pdf,terminaloptions={font ",10" linewidth 2}]
	unset border
    set  nogrid
            set lmargin at screen 0
		set rmargin at screen 1
		set bmargin at screen 0
		set tmargin at screen 1
	set yrange [-3:5]
	set xrange [-1:8]
	set size 5/5.
	set key center top reverse Left
	set xzeroaxis
	set yzeroaxis
	set xtics axis out scale 0.5
	set ytics axis
	plot log(x) lt rgb "#FF0000"
\end{gnuplot}