1 #!/usr/bin/python

     2 ## 2.3

     3 

     4 import os, sys

     5 curdir = os.getcwdu()

     6 n = curdir.rfind("/")

     7 curdir[:n]+"/python"

     8 sys.path += [curdir[:n]+"/python"]

     9 

    10 import scipy as sp

    11 from scipy import signal

    12 from scipy import linalg

    13 

    14 from dscr import dscr

    15 

    16 

    17 F = sp.array([[-1,0],[1,0]])

    18 G = sp.array([[1],[0]])

    19 C = sp.array([0,1])

    20 D = 0

    21 Ts = 1

    22 H = signal.lti(F, G, C, D)

    23 

    24 h = dscr(H, Ts)

    25 print h.A, h.B, h.C, h.D, Ts