Bug 667471 - bug in the general simplifier
Summary: bug in the general simplifier
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: maxima
Version: 13
Hardware: Unspecified
OS: Linux
low
low
Target Milestone: ---
Assignee: Rex Dieter
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2011-01-05 17:49 UTC by joshua.stults
Modified: 2011-02-28 23:55 UTC (History)
2 users (show)

Fixed In Version: wxMaxima-0.8.7-1.el6
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2011-02-24 06:28:49 UTC


Attachments (Terms of Use)

Description joshua.stults 2011-01-05 17:49:03 UTC
Description of problem:
The general simplifier in the 5.22 version does not properly simplify matrix expressions with indexed matrix elements.  This bug is fixed in the 5.23 version.  

Version-Release number of selected component (if applicable):
5.22.1.5.fc13

How reproducible:
%i85) display2d:false;
(%o85) false
(%i86) listarith:true;
(%o86) true
(%i87) a*[x,y];
(%o87) [a*x,a*y]
(%i88) a[1]*[x,y];
(%o88) a[1]*[x,y]

Expected results:
[a[1]*x,a[1]*y]

Additional info:
See project mailing list thread 
http://www.math.utexas.edu/pipermail/maxima/2011/023688.html

Comment 1 joshua.stults 2011-02-01 15:14:29 UTC
Downgrading to the 5.20 version provides a work-around until a newer stable version is available:

yum downgrade maxima maxima-runtime* maxima-gui sbc

Comment 2 Fedora Update System 2011-02-10 16:12:14 UTC
maxima-5.23.2-1.fc14 has been submitted as an update for Fedora 14.
https://admin.fedoraproject.org/updates/maxima-5.23.2-1.fc14

Comment 3 Fedora Update System 2011-02-10 16:31:02 UTC
wxMaxima-0.8.7-1.fc13,maxima-5.23.2-1.fc13 has been submitted as an update for Fedora 13.
https://admin.fedoraproject.org/updates/wxMaxima-0.8.7-1.fc13,maxima-5.23.2-1.fc13

Comment 4 Fedora Update System 2011-02-10 16:38:44 UTC
wxMaxima-0.8.7-1.el6,maxima-5.23.2-1.el6 has been submitted as an update for Fedora EPEL 6.
https://admin.fedoraproject.org/updates/wxMaxima-0.8.7-1.el6,maxima-5.23.2-1.el6

Comment 5 Fedora Update System 2011-02-10 21:28:17 UTC
wxMaxima-0.8.7-1.fc14, maxima-5.23.2-1.fc14 has been pushed to the Fedora 14 testing repository.  If problems still persist, please make note of it in this bug report.
 If you want to test the update, you can install it with 
 su -c 'yum --enablerepo=updates-testing update wxMaxima maxima'.  You can provide feedback for this update here: https://admin.fedoraproject.org/updates/wxMaxima-0.8.7-1.fc14,maxima-5.23.2-1.fc14

Comment 6 Fedora Update System 2011-02-24 06:28:45 UTC
wxMaxima-0.8.7-1.fc14, maxima-5.23.2-1.fc14 has been pushed to the Fedora 14 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 7 Fedora Update System 2011-02-24 06:30:14 UTC
wxMaxima-0.8.7-1.fc13, maxima-5.23.2-1.fc13 has been pushed to the Fedora 13 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 8 Fedora Update System 2011-02-28 23:54:59 UTC
wxMaxima-0.8.7-1.el6, maxima-5.23.2-1.el6 has been pushed to the Fedora EPEL 6 stable repository.  If problems still persist, please make note of it in this bug report.


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