[Scipy-svn] r2204 - trunk/Lib/signal

scipy-svn at scipy.org scipy-svn at scipy.org
Tue Sep 19 18:42:11 CDT 2006


Author: stefan
Date: 2006-09-19 18:41:55 -0500 (Tue, 19 Sep 2006)
New Revision: 2204

Modified:
   trunk/Lib/signal/ltisys.py
Log:
Do not modify shape of input arguments to lsim and lsim2.


Modified: trunk/Lib/signal/ltisys.py
===================================================================
--- trunk/Lib/signal/ltisys.py	2006-09-19 22:14:27 UTC (rev 2203)
+++ trunk/Lib/signal/ltisys.py	2006-09-19 23:41:55 UTC (rev 2204)
@@ -315,7 +315,7 @@
     U = atleast_1d(U)
     T = atleast_1d(T)
     if len(U.shape) == 1:
-        U.shape = (U.shape[0],1)
+        U = U.reshape((U.shape[0],1))
     sU = U.shape
     if len(T.shape) != 1:
         raise ValueError, "T must be a rank-1 array."
@@ -382,7 +382,7 @@
     U = atleast_1d(U)
     T = atleast_1d(T)
     if len(U.shape) == 1:
-        U.shape = (U.shape[0],1)
+        U = U.reshape((U.shape[0],1))
     sU = U.shape
     if len(T.shape) != 1:
         raise ValueError, "T must be a rank-1 array."



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