[Octave-cvsupdate] SF.net SVN: octave:[10447] trunk/octave-forge/extra/control-devel/inst/arx. m

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Revision: 10447
          http://octave.svn.sourceforge.net/octave/?rev=10447&view=rev
Author:   paramaniac
Date:     2012-05-15 20:40:30 +0000 (Tue, 15 May 2012)
Log Message:
-----------
control-devel: minor changes

Modified Paths:
--------------
    trunk/octave-forge/extra/control-devel/inst/arx.m

Modified: trunk/octave-forge/extra/control-devel/inst/arx.m
===================================================================
--- trunk/octave-forge/extra/control-devel/inst/arx.m	2012-05-15 20:01:20 UTC (rev 10446)
+++ trunk/octave-forge/extra/control-devel/inst/arx.m	2012-05-15 20:40:30 UTC (rev 10447)
@@ -130,6 +130,10 @@
 
 function x = __ls_svd__ (A, b)
 
+  ## solve the problem Ax=b
+  ## x = A\b  would also work,
+  ## but this way we have better control and warnings
+
   ## solve linear least squares problem by pseudoinverse
   ## the pseudoinverse is computed by singular value decomposition
   ## M = U S V*  --->  M+ = V S+ U*

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