Python 2.6.1 (r261:67515, Feb 11 2010, 00:51:29)

Type "copyright", "credits" or "license" for more information.

IPython 0.11.alpha1.git -- An enhanced Interactive Python.

? -> Introduction and overview of IPython's features.

%quickref -> Quick reference.

help -> Python's own help system.

object? -> Details about 'object', use 'object??' for extra details.

%guiref -> A brief reference about the graphical user interface.

In [1]: from scipy.special import jn

In [2]: x = linspace(0,4*pi)

In [3]: for n in range(6):

   ...: plot(x,jn(n,x))

   ...:

In [4]: