text: """
   Copyright 2009-2012 Karsten Ahnert
   Copyright 2009-2012 Mario Mulansky
  
   Stochastic euler stepper example and Ornstein-Uhlenbeck process
  
   Distributed under the Boost Software License, Version 1.0.
  (See accompanying file LICENSE_1_0.txt or
   copy at http://www.boost.org/LICENSE_1_0.txt)
  """
  
  
  from pylab import *
  from scipy import special
  
  data1 = loadtxt("elliptic1.dat")
  data2 = loadtxt("elliptic2.dat")
  data3 = loadtxt("elliptic3.dat")
  
  sn1,cn1,dn1,phi1 = special.ellipj( data1[:,0] , 0.51 )
  sn2,cn2,dn2,phi2 = special.ellipj( data2[:,0] , 0.51 )
  sn3,cn3,dn3,phi3 = special.ellipj( data3[:,0] , 0.51 )
  
  semilogy( data1[:,0] , abs(data1[:,1]-sn1) )
  semilogy( data2[:,0] , abs(data2[:,1]-sn2) , 'ro' )
  semilogy( data3[:,0] , abs(data3[:,1]-sn3) , '--' )
  
  show()
  
  
  
  