From aa8d6a9fa5c020a2988a370150624f403121c939 Mon Sep 17 00:00:00 2001
From: Suraj Yerramilli
Date: Sat, 21 Mar 2015 23:34:11 +0530
Subject: added a basic transfer function object

---
 R/tf.R | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/R/tf.R b/R/tf.R
index 135a2d7..f811b6c 100644
--- a/R/tf.R
+++ b/R/tf.R
@@ -1,6 +1,8 @@
 # S3 class for defining trasnfer functions
 tf <- function(num=c(1),den=c(1),Ts=1){
-  
+  out <- list(num=num,den=den,Ts=Ts)
+  class(out) <- "tf"
+  return(out)
 }
 
 # Display the Transfer Function
-- 
cgit