diff -r 000000000000 -r 0efde00f9229 system/conv2.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/system/conv2.py	Fri May 27 14:24:59 2011 +0530
@@ -0,0 +1,11 @@
+#!/usr/bin/python
+# 3.2
+
+from scipy import signal
+import scipy as sp
+
+h = sp.array([1,2,3])
+u = sp.array([4,5,6])
+y = signal.convolve(u,h)
+print "y =", 
+print y