1 >>> import Gnuplot
   2 >>> g=Gnuplot.Gnuplot()
   3 >>> g("set term png")
   4 >>> g("set output 'plot.png'")
   5 >>> g("set data style linespoints")
   6 >>> g.plot([[0,1.1], [1,5.8], [2,3.3], [3,4.2]])
   7 >>>
   8 >>> g.reset()
   9 >>> from Numeric import *
  10 >>> x=arange(10,typecode=Float)
  11 >>> x
  12 array([ 0.,  1.,  2.,  3.,  4.,  5.,  6.,  7.,  8.,  9.])
  13 >>> y1 = x**2                                                                   
  14 >>> y1
  15 array([  0.,   1.,   4.,   9.,  16.,  25.,  36.,  49.,  64.,  81.])
  16 >>> d = Gnuplot.Data(x, y1, title='calculated by python', with='points 3 3')
  17 >>> g.plot(Gnuplot.Func('x**2'),d)
  18 >>> g("set term png")                                                   
  19 >>> g("set output 'plot.png'")
  20 >>> g.plot(Gnuplot.Func('x**2'),d)