# set terminal svg size 600,400 dynamic enhanced fname 'arial' fsize 10 mousing name "circles_3" butt solid # set output 'circles.3.svg' unset key set size ratio -1 1,1 set title "Trace of unconstrained optimization with trust-region method" set xrange [ -2.50000 : 1.50000 ] noreverse nowriteback set yrange [ -1.00000 : 2.50000 ] noreverse nowriteback r = 0.01 types = 6 keyx = -137.0 keyy = -15.0 keyr = 25.0 i = 5 plot 'optimize.dat' with circles lc rgb "blue" fs transparent solid 0.15 noborder, 'optimize.dat' u 1:2 with linespoints lw 2 lc rgb "black"