#!/usr/bin/python
# 7.8

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

import pylab as pl
from xdync import xdync

N = pl.convolve([0, 1], [1, 1])
D = pl.convolve([1, -4], [1, -1])
dN = 2
dD = 2
C = pl.array([1, -1, 0.5])
dC = 2

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

print "Y =", Y
print "dY =", dY
print "X =", X
print "dX =", dX
print "B =", B
print "dB =", dB
print "A =", A
print "dA =", dA