--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/python/fitval.py	Fri May 27 14:24:59 2011 +0530
@@ -0,0 +1,11 @@
+#!/usr/bin/python
+
+# finds the value of a polynomial in powers of z^{-1}
+# function Y = filtval(P,z)
+
+def fitval(P, z):
+    N = len(P) - 1
+    return Y
+   
+Q = polyno(P,'x');
+Y = horner(Q,z)/z^N;