#!/usr/bin/python
# 7.4
import os, sys
sys.path += [os.getcwdu() + os.sep + ".." + os.sep + "python"]

import pylab as pl
from scipy import signal
from bode import bode

w = pl.linspace(0.001,pl.pi,10000)
a = pl.linspace(0.001,0.999,100)

zero = a
pole = 0.9*a
A = pl.vstack((pl.ones_like(zero), -zero))
A = A.T
B = pl.vstack((pl.ones_like(pole), -pole))
B = B.T
sys = map(signal.lti, A, B)



#pl.show()