Hi Robert,
Thanks for the response. I'm using Maxima 5.13.0 out of the Ubuntu
8.04 repository. Here is the version printout.
--
Maxima version: 5.13.0
Maxima build date: 3:56 12/15/2007
host type: x86_64-unknown-linux-gnu
lisp-implementation-type: GNU Common Lisp (GCL)
lisp-implementation-version: GCL 2.6.8
--
I am running newer versions of Ubuntu at home and it's possible those
have a different version of Maxima. I'll try running there as well.
I'm new to the Sage and Maxima communities. Is there a protocol for
reporting these types of errors? I'm more than willing to help debug,
although I'm probably not much good for patches as I'm not familiar
with either sources yet.
Best,
Bryan
On Tue, Nov 3, 2009 at 4:39 PM, ma...@mendelu.cz <ma...@mendelu.cz> wrote:
>
> The Maxima version which is present in Sage fails for this problem, se
> the session below.
>
> Which version of Maxima do you use on your computer? In Sage there is
> version 5.19.1. Does your computation work in this version of Maxima?
>
>
> Robert
>
> ----------------------------------------------------------------------
> | Sage Version 4.2, Release Date: 2009-10-24 |
> | Type notebook() for the GUI, and license() for information. |
> ----------------------------------------------------------------------
> sage: maxima("expr:1.4*(.1873*z+.1752)/(z-1)/(z-.8187)")
> 1.4*(0.1873*z+0.1752)/((z-1)*(z-0.8187))
> sage: maxima("expr:1.4*(.1873*z+.1752)/(z-1)/(z-.8187)")
> 1.4*(0.1873*z+0.1752)/((z-1)*(z-0.8187))
> sage: maxima("partfrac(expr,z)")
> ---------------------------------------------------------------------------
> TypeError Traceback (most recent call
> last)
>
> /home/marik/<ipython console> in <module>()
>
> /home.ldf/sdileny/sage/local/lib/python2.6/site-packages/sage/
> interfaces/expect.pyc in __call__(self, x, name)
> 1029
> 1030 if isinstance(x, basestring):
> -> 1031 return cls(self, x, name=name)
> 1032 try:
> 1033 return self._coerce_from_special_method(x)
>
> /home.ldf/sdileny/sage/local/lib/python2.6/site-packages/sage/
> interfaces/expect.pyc in __init__(self, parent, value, is_name, name)
> 1445 except (TypeError, KeyboardInterrupt,
> RuntimeError, ValueError), x:
> 1446 self._session_number = -1
> -> 1447 raise TypeError, x
> 1448 self._session_number = parent._session_number
> 1449
>
> TypeError: Error executing code in Maxima
> CODE:
> sage2 : partfrac(expr,z)$
> Maxima ERROR:
>
> Inverse of zero divisor?
>
>
> sage:
>
>
>
> >
>
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