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diff scripts/control/system/sysupdate.m @ 4030:22bd65326ec1

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[project @ 2002-08-09 18:58:13 by jwe]
author jwe
date Fri, 09 Aug 2002 19:00:16 +0000
parents 7923abdeb4e5
children 493ff0643644
line wrap: on
line diff
--- a/scripts/control/system/sysupdate.m
+++ b/scripts/control/system/sysupdate.m
@@ -55,7 +55,7 @@
   ## check for correct number of inputs
   if (nargin != 2)
     usage("newsys = sysupdate(sys,opt)");
-  elseif(! is_struct(sys) )
+  elseif(! isstruct(sys) )
    error("1st argument must be system data structure")
   elseif(! (strcmp(opt,"tf") + strcmp(opt,"zp") + ...
         strcmp(opt,"ss") + strcmp(opt,"all")) )