--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/freq/lead_vfy.py	Fri May 27 14:24:59 2011 +0530
@@ -0,0 +1,13 @@
+#!/usr/bin/python
+# 7.5
+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(0.0001, 0.5, 1000)
+G = signal.lti([1, -0.8], [1, -0.24])
+bode(G, w)
+pl.show()