1 #!/usr/bin/python

     2 # 7.8

     3 

     4 import os, sys

     5 sys.path += [os.getcwdu() + os.sep + ".." + os.sep + "python"]

     6 

     7 import pylab as pl

     8 from xdync import xdync

     9 

    10 N = pl.convolve([0, 1], [1, 1])

    11 D = pl.convolve([1, -4], [1, -1])

    12 dN = 2

    13 dD = 2

    14 C = pl.array([1, -1, 0.5])

    15 dC = 2

    16 

    17 Y, dY, X, dX, B, dB, A, dA = xdync(N, dN, D, dD, C, dC)

    18 

    19 print "Y =", Y

    20 print "dY =", dY

    21 print "X =", X

    22 print "dX =", dX

    23 print "B =", B

    24 print "dB =", dB

    25 print "A =", A

    26 print "dA =", dA

    27