#!/usr/bin/python
## 2.3

import os, sys
curdir = os.getcwdu()
n = curdir.rfind("/")
curdir[:n]+"/python"
sys.path += [curdir[:n]+"/python"]

import scipy as sp
from scipy import signal
from scipy import linalg

from dscr import dscr


F = sp.array([[-1,0],[1,0]])
G = sp.array([[1],[0]])
C = sp.array([0,1])
D = 0
Ts = 1
H = signal.lti(F, G, C, D)

h = dscr(H, Ts)
print h.A, h.B, h.C, h.D, Ts