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diff scripts/signal/fractdiff.m @ 7125:f084ba47812b

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[project @ 2007-11-08 02:29:23 by jwe]
author jwe
date Thu, 08 Nov 2007 02:29:24 +0000
parents a1dbe9d80eee
children e07e93c04080
line wrap: on
line diff
--- a/scripts/signal/fractdiff.m
+++ b/scripts/signal/fractdiff.m
@@ -28,6 +28,10 @@
 
 function retval = fractdiff (x, d)
 
+  if (nargin != 2)
+    print_usage ();
+  endif
+
   N = 100;
 
   if (! isvector (x))