set xrange=[-5:5]
plot x=Math.cos(t)*(Math.exp(Math.cos(t))-2*Math.cos(4*t)-Math.pow(Math.sin(t/12),5.0)), y=Math.sin(t)*(Math.exp(Math.cos(t))-2*Math.cos(4*t)-Math.pow(Math.sin(t/12),5.0))
draw point({x:1, y:10})
set xrange = [-5:20]
plot x-2
set title = 2次関数のグラフ