# HG changeset patch
# User jwe
# Date 746721594 0
# Node ID ca37b3c9d066029850133d4393e128d0440ce9fa
# Parent  a5e8b7c9a3adfcf480c7cac994bf4d08575f741c
[project @ 1993-08-30 14:39:54 by jwe]

diff -r a5e8b7c9a3ad -r ca37b3c9d066 scripts/control/tzero.m
--- a/scripts/control/tzero.m	Mon Aug 30 14:32:55 1993 +0000
+++ b/scripts/control/tzero.m	Mon Aug 30 14:39:54 1993 +0000
@@ -1,11 +1,15 @@
 function zr = tzero (a, b, c, d, bal)
 
+# Usage: zr = tzero (a, b, c, d, bal)
+#
 # Compute the transmission zeros of a, b, c, d.
 #
 # bal = balancing option (see balance); default is "B".
 #
 # Needs to incorporate mvzero algorithm to isolate finite zeros.
 
+# Written by A. S. Hodel (scotte@eng.auburn.edu) August 1993
+
   if (nargin == 4)
     bal = "B";
   elseif (nargin ~= 5)