f(x) = 100*besj1(x)*exp(-x/5)
dummy = rand(time(1))
set bars 2
set samples 21
set xrange [0:10]
set yrange [-30:50]
unset key
set term pngcairo enh font "Times, 10" size 480,360
set out "plot_financebars.png"
set label "plot with financebars" at sc 0.4, 0.85 font "Helvetica,18"
set xlabel "Ｘ軸 IPAゴシック" font "IPAGothic,12"
set ylabel "Ｙ軸 IPA明朝" font "IPAMincho,12"
plot '+' \
u 1:(f($1)):(f($1)-7-rand(0)*2):(f($1)+7+rand(0)*2): (f($1)+rand(0)*14-7)\
w financebars