GD可以把两条曲线画在一个坐标系中吗

GD可以把两条曲线画在一个坐标系中吗

想把两条曲线画在一起做比较,应该怎么做呢?
多谢!
use GD::Graph::lines

it can create  multilines
well, you could also try another module Chart, its current version is 2.4, and it could create many shapes as you expect. It is really handy.