[Cgl] ideas added to the "milestone pages" for Clp, Cbc, Cgl

Pierre Bonami pbonami at us.ibm.com
Tue Sep 25 11:49:25 EDT 2007


Thanks Robin,
I checked that it works by removing the "we need to make this editable"!

Thanks,
Pierre,


                                                                           
             Robin                                                         
             Lougee-Heimer/Wat                                             
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                                       Re: [Cgl] ideas added to the        
             09/21/07 12:22 PM         "milestone pages" for Clp, Cbc, Cgl 
                                                                           
                                                                           
                                                                           
                                                                           
                                                                           
                                                                           





Pierre:]

I change the permission on Trac, so authenticated users can create and
modify milestones.  Let me know if you have any problems.  In the mean
time, I added the info you sent to the milestone. Thanks for the pointer!

More & better cuts welcome,
Robin

----------------------------------------------------------------------------------

Robin Lougee-Heimer, PhD
Program Manager, COIN-OR
IBM TJ Watson Research Center
1101 Kitchawan Road, Yorktown Heights, NY 10598
ph: 914-945-3032   fax: 914-945-3434
robinlh at us.ibm.com
http://www.coin-or.org



                                                                           
 Pierre                                                                    
 Bonami/Watson/IBM at IBMUS                                                   
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 09/19/2007 04:35 PM                                               Subject 
                                       Re: [Cgl] ideas added to the        
                                       "milestone pages" for Clp, Cbc, Cgl 
                                                                           
                                                                           
                                                                           
                                                                           
                                                                           
                                                                           
                                                                           





Hi Robin,
Regarding the Cgl item on flow-covers. There is an identified and very
complete source.
In this master thesis (be carefull it is 100+ pages)
http://www.zib.de/groetschel/students/Diplom-Wolter-2006.pdf
there are some quite complete experiments which indicate that the
flow-cover algorithm in Cgl closes less gap than others.

Best regards,
Pierre
P.S. I could not modify the wiki page



            Robin
            Lougee-Heimer/Wat
            son/IBM at IBMUS                                              To
            Sent by:                  John J Forrest/Watson/IBM at IBMUS
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            coin-or.org               coin-lpsolver at list.coin-or.org,
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            09/19/07 04:09 PM                                     Subject
                                      [Cgl] ideas added to the "milestone
                                      pages" for Clp, Cbc, Cgl











John, Laci, and JP:

I took a first step towards documenting the ideas John suggested for
improving Clp and Cbc today...which involves Osi and Cgl, too.

As suggested by Laci, I've posted them as "milestones" on the wiki.   They
should definitely be on the wiki somewhere, but I'm not sure about these
"milestones."  It looks like it takes an admin to edit a milestone
currently, and it'd be nice if more people were able to add to it.  (Maybe
a different setting of the Trac permissions allows this (?))

Please check them out and add more details.

https://projects.coin-or.org/Clp/roadmap
https://projects.coin-or.org/Cbc/roadmap
https://projects.coin-or.org/Cgl/roadmap

Robin

----------------------------------------------------------------------------------


Robin Lougee-Heimer, PhD
Program Manager, COIN-OR
IBM TJ Watson Research Center
1101 Kitchawan Road, Yorktown Heights, NY 10598
ph: 914-945-3032   fax: 914-945-3434
robinlh at us.ibm.com
http://www.coin-or.org
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