from jnumeric.JNumeric import *

a = array( [20,30,40,50,70] )
b = array( [20,35,30,25,20] )

from jhplot import *
c=HPlot()
c.visible()
c.setAutoRange()
p=P1D( "data",sqrt(a).tolist(),  exp(b).tolist() )
p.setStyle("l")
c.draw(p)