# set terminal svg size 600,400 dynamic enhanced fname 'arial' fsize 10 mousing name "param_5" butt solid # set output 'param.5.svg' set dummy t,y set key bmargin center horizontal Right noreverse enhanced autotitles box linetype -1 linewidth 1.000 set parametric set samples 160, 160 set style data lines set xrange [ -5.00000 : 5.00000 ] noreverse nowriteback set yrange [ -5.00000 : 5.00000 ] noreverse nowriteback plot tan(t),t,t,tan(t)