set logscale y
#set key on outside left bmargin
-set style line 1 lc rgb '#0060ad' lt 1 lw 2 pt 1 ps 1.5 # --- blue
+set style line 1 lc rgb '#0060ad' lt 1 lw 2 pt 6 ps 1.5 # --- blue
set style line 2 lc rgb '#dd181f' lt 1 lw 2 pt 5 ps 1.5 # --- red
plot'log_exp_Sparse.txt' index 0 using 1:4 t "No log exp" with linespoints ls 2,\