[python-control-discuss] SF.net SVN: python-control:[36] branches/control-0.4a/src/TestStatefbk.py

[<kk...@us...>]

Revision: 36
          http://python-control.svn.sourceforge.net/python-control/?rev=36&view=rev
Author:   kkchen
Date:     2011-02-08 22:03:57 +0000 (Tue, 08 Feb 2011)

Log Message:
-----------
Added test that ctrb and obsv are dual.  Also removed accidental extra .hgignore that I shouldn't have added.

Steven Brunton <sbr...@pr...>

Modified Paths:
--------------
    branches/control-0.4a/src/TestStatefbk.py

Modified: branches/control-0.4a/src/TestStatefbk.py
===================================================================
--- branches/control-0.4a/src/TestStatefbk.py	2011-02-08 20:57:52 UTC (rev 35)
+++ branches/control-0.4a/src/TestStatefbk.py	2011-02-08 22:03:57 UTC (rev 36)
@@ -32,6 +32,15 @@
         Wotrue = N.matrix("5. 6.; 7. 8.; 23. 34.; 31. 46.")
         Wo = obsv(A,C)
         N.testing.assert_array_almost_equal(Wo, Wotrue)
+    
+    def testCtrbObsvDuality(self):
+        A = N.matrix("1.2 -2.3; 3.4 -4.5")
+        B = N.matrix("5.8 6.9; 8. 9.1")
+        Wc = ctrb(A,B);
+        A = N.transpose(A)
+        C = N.transpose(B)
+        Wo = N.transpose(obsv(A,C));
+        N.testing.assert_array_almost_equal(Wc,Wo)
 
 if __name__ == '__main__':
     unittest.main()


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