[python-control-discuss] SF.net SVN: python-control:[156] trunk/src/xferfcn.py

[Richard M. <mu...@cd...>]

Had the settings on the list wrong, so this got accidentally discarded (fixed now).

-richard

Begin forwarded message:

> From: pyt...@li...
> Date: 17 April 2011 11:45:36 PDT
> To: pyt...@li...
> Subject: Auto-discard notification
> 
> The attached message has been automatically discarded.
> From: gor...@us...
> Date: 17 April 2011 11:45:29 PDT
> To: pyt...@li...
> Subject: SF.net SVN: python-control:[156] trunk/src/xferfcn.py
> 
> 
> Revision: 156
>          http://python-control.svn.sourceforge.net/python-control/?rev=156&view=rev
> Author:   goretkin
> Date:     2011-04-17 18:45:29 +0000 (Sun, 17 Apr 2011)
> 
> Log Message:
> -----------
> The following no longer causes a Numpy ValueError:
> (cases where the order of the numerator is higher than the order of the denominator)
> 
> s = control.tf.TransferFunction([1, 0], [1])
> control.bode(s)
> 
> Modified Paths:
> --------------
>    trunk/src/xferfcn.py
> 
> Modified: trunk/src/xferfcn.py
> ===================================================================
> --- trunk/src/xferfcn.py	2011-04-16 23:45:46 UTC (rev 155)
> +++ trunk/src/xferfcn.py	2011-04-17 18:45:29 UTC (rev 156)
> @@ -643,8 +643,10 @@
>         # are the same size as the denominator.
>         for i in range(self.outputs):
>             for j in range(self.inputs):
> -                num[i][j] = insert(num[i][j], zeros(len(den) - len(num[i][j])),
> -                    zeros(len(den) - len(num[i][j])))
> +                pad = len(den) - len(num[i][j]) 
> +                if(pad>0):
> +                    num[i][j] = insert(num[i][j], zeros(pad),
> +                        zeros(pad))
>         # Finally, convert the numerator to a 3-D array.
>         num = array(num)
>         # Remove trivial imaginary parts.  Check for nontrivial imaginary parts.
> 
> 
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