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changeset 5959:dcd376102ac1

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[project @ 2006-08-23 19:09:30 by jwe]
author jwe
date Wed, 23 Aug 2006 19:09:31 +0000
parents 85c7dc4afe6b
children 5c2747f40b56
files scripts/ChangeLog scripts/control/system/tf2zp.m
diffstat 2 files changed, 6 insertions(+), 3 deletions(-) [+]
line wrap: on
line diff
--- a/scripts/ChangeLog
+++ b/scripts/ChangeLog
@@ -1,3 +1,7 @@
+2006-08-23  Quentin Spencer  <qspencer@ieee.org>
+
+	* control/system/tf2zp.m: Simplify gain calculation.
+
 2006-08-23  John W. Eaton  <jwe@octave.org>
 
 	* plot/__plt__.m: Insert using clauses for all plots.
--- a/scripts/control/system/tf2zp.m
+++ b/scripts/control/system/tf2zp.m
@@ -43,10 +43,9 @@
       zer = [];
     endif
   else
-    error ("Incorrect number of input arguments");
+    print_usage ();
   endif
 
-  [a, b, c, d] = tf2ss (num, den);
-  [dum, k] = tzero (a, b, c, d);
+  k = num(1) / den(1);
 
 endfunction