Your message dated Mon, 26 Mar 2007 20:47:48 +0000
with message-id <[EMAIL PROTECTED]>
and subject line Bug#191671: fixed in maxima 5.11.0-1
has caused the attached Bug report to be marked as done.
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--- Begin Message ---
Package: maxima
Version: 5.9.0-10
The output of computing the Weyl tensor on an arbitrary 3 metric says
that the spacetime is conformally flat. The vanishing of the Weyl
tensor implying conformal flatness is only true in dimensions >= 4, and
the Weyl tensor is automatically zero in dimension 3. A more complete
discussion may be found in the book
Lovelock, D. and Rund, H., Tensors, Differential forms and Variational
principles, John Wiley, 1975. pages 292-293 esp 7.32 and 7.34.
Sample output:
--------------------------------------------------------------------------------
[EMAIL PROTECTED]:~$ maxima
GCL (GNU Common Lisp) (2.5.2) Thu Mar 20 10:36:35 EST 2003
Licensed under GNU Library General Public License
Dedicated to the memory of W. Schelter
Use (help) to get some basic information on how to use GCL.
Maxima 5.9.0 http://maxima.sourceforge.net
Distributed under the GNU Public License. See the file COPYING.
Dedicated to the memory of William Schelter.
This is a development version of Maxima. The function bug_report()
provides bug reporting information.
(C1) load(ctensr);
(D1) /usr/share/maxima/5.9.0/share/tensor/ctensr.mac
(C2) g=tsetup();
enter the dimension of the coordinate system:
3;
do you wish to change the coordinate names?
n;
do you want to
1. enter a new metric?
2. enter a metric from a file?
3. approximate a metric with a taylor series?
1;
Is the matrix 1. Diagonal 2. Symmetric 3. Antisymmetric 4. General
Answer 1, 2, 3 or 4 : 1;
Row 1 Column 1: x;
Row 2 Column 2: y;
Row 3 Column 3: z;
Matrix entered.
enter functional dependencies with the depends function or 'n' if none
n;
do you wish to see the metric?
y;
[ x 0 0 ]
[ ]
[ 0 y 0 ]
[ ]
[ 0 0 z ]
do you wish to see the metric inverse?
n;
(D2) g = DONE
(C3) weyl(g);
this spacetime is conformally flat
(D3) DONE
(C4)
-----------------------------------------------------------------------------------
On a related note, xmaxima does not respond to the tsetup(); command, it
never responds with the line
enter the dimension of the coordinate system:
Cheers,
Larry Bates
--- End Message ---
--- Begin Message ---
Source: maxima
Source-Version: 5.11.0-1
We believe that the bug you reported is fixed in the latest version of
maxima, which is due to be installed in the Debian FTP archive:
maxima-doc_5.11.0-1_all.deb
to pool/main/m/maxima/maxima-doc_5.11.0-1_all.deb
maxima-emacs_5.11.0-1_all.deb
to pool/main/m/maxima/maxima-emacs_5.11.0-1_all.deb
maxima-share_5.11.0-1_all.deb
to pool/main/m/maxima/maxima-share_5.11.0-1_all.deb
maxima-src_5.11.0-1_all.deb
to pool/main/m/maxima/maxima-src_5.11.0-1_all.deb
maxima-test_5.11.0-1_all.deb
to pool/main/m/maxima/maxima-test_5.11.0-1_all.deb
maxima_5.11.0-1.diff.gz
to pool/main/m/maxima/maxima_5.11.0-1.diff.gz
maxima_5.11.0-1.dsc
to pool/main/m/maxima/maxima_5.11.0-1.dsc
maxima_5.11.0-1_i386.deb
to pool/main/m/maxima/maxima_5.11.0-1_i386.deb
maxima_5.11.0.orig.tar.gz
to pool/main/m/maxima/maxima_5.11.0.orig.tar.gz
xmaxima_5.11.0-1_i386.deb
to pool/main/m/maxima/xmaxima_5.11.0-1_i386.deb
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [EMAIL PROTECTED],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Camm Maguire <[EMAIL PROTECTED]> (supplier of updated maxima package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [EMAIL PROTECTED])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
Format: 1.7
Date: Mon, 26 Mar 2007 15:37:26 -0400
Source: maxima
Binary: maxima-test maxima-share maxima-emacs maxima-doc maxima-src xmaxima
maxima
Architecture: source all i386
Version: 5.11.0-1
Distribution: unstable
Urgency: low
Maintainer: Camm Maguire <[EMAIL PROTECTED]>
Changed-By: Camm Maguire <[EMAIL PROTECTED]>
Description:
maxima - A computer algebra system -- base system
maxima-doc - A computer algebra system -- documentation
maxima-emacs - A computer algebra system -- emacs interface
maxima-share - A computer algebra system -- extra code
maxima-src - A computer algebra system -- source code
maxima-test - A computer algebra system -- test suite
xmaxima - A computer algebra system -- x interface
Closes: 155256 155257 191671 411147
Changes:
maxima (5.11.0-1) unstable; urgency=low
.
* New upstream release
* Rebuild brings in shlibdeps, Closes: #411147
* xmaxima now correctly accesses external documentation via external
browser, Closes: #155256
* New ctensor package replacing ctensr, csetup replacing tsetup, works
in xmaxima. Inaccurate statement regarding conformal flatness
remains. Closes: 191671.
* New xmaxima launches external browser with password/proxy support,
Closes: #155257.
* edited pt doc files so they compile on package build
* remove obsolete file omplotdata
* update fsf address
Files:
f0fbce8b1e307beada6f819c1e5b51bb 841 math optional maxima_5.11.0-1.dsc
d9ae353e8eba9b9d5686e119e59ab88c 13924132 math optional
maxima_5.11.0.orig.tar.gz
0427d1d993f2ab350069be88a1a340fa 2160312 math optional maxima_5.11.0-1.diff.gz
8c41f7605f4932018677bc9893065da5 1155698 math optional
maxima-src_5.11.0-1_all.deb
0a54ab0014cd6a1ab585ee4049449c2e 92316 math optional
maxima-test_5.11.0-1_all.deb
a1b6a540842464ba9a5d9eca881ab4fb 7393014 math optional
maxima-doc_5.11.0-1_all.deb
ab665ebadeaee9cddbeedc12e9265008 94852 math optional
maxima-emacs_5.11.0-1_all.deb
9a7ed0ee185f3f50afd614470b8d3e32 2757336 math optional
maxima-share_5.11.0-1_all.deb
e2fc0a58c86ac69fa9b566b513caa3d8 8008698 math optional maxima_5.11.0-1_i386.deb
90525fc7e8a83eafb98d1b375eed691c 380538 math optional xmaxima_5.11.0-1_i386.deb
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