set samples 200, 200
plot [-30:20] besj0(x)*0.12e1 with impulses, (x**besj0(x))-2.5 with points
set samples 20, 20
set isosamples 21, 21
set contour base
set cntrparam levels auto 10
splot x*x - y*y
set ticslevel 0
set samples 36
set isosamples 36,36
set size 0.7,1
set hidden3d
splot sin(x)*sin(y)/x/y
set pm3d
splot x**2-y**2
set pm3d at b
set ticslevel 0.8
set isosample 40,40
splot x*x*exp(-x*x)*y*y*exp(-y*y)
set pm3d explicit
set palette rgb 9,9,2
unset colorbox
set hidden3d
set parametric
set size square
set samples 36
set isosamples 20,36
set ticslevel 0
set view 70,170,1.1,1
set urange [0:pi]
set vrange [0:2* pi]
set term png transparent xffffff
set multiplot
splot sin(u)*cos(v),sin(u)*sin(v),cos(u) w pm3d
splot sin(u)*cos(v),sin(u)*sin(v),cos(u) lt 3
unset multiplot
#ファイルからデータを読んでグラフ化する例（データファイルをアップロードする）
set pm3d
splot "G1.dat" with pm3d
G1.dat # X Y Z 0.0 0.0 2.0 0.0 1.0 2.0 0.0 1.0 3.5 0.0 2.0 3.5
1.0 0.0 2.0 1.0 1.0 2.0 1.0 1.0 3.5 1.0 2.0 3.5
1.0 0.0 1.0 1.0 1.0 1.0 1.0 1.0 3.0 1.0 2.0 3.0
2.0 0.0 1.0 2.0 1.0 1.0 2.0 1.0 3.0 2.0 2.0 3.0
