#!/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()