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Re: [Help-glpk] Modelling Advice Request - Project Tasks
From: |
Andrew Makhorin |
Subject: |
Re: [Help-glpk] Modelling Advice Request - Project Tasks |
Date: |
Thu, 21 Jan 2010 17:30:04 +0300 |
> On that subject, a member of this list has privately sent me a model
> which does this.
> Thanks to EVERYBODY who took the time to respond.
> Here's the new model, which uses a parameter for data input,
> minimises the number of variables needed, and works very successfully:
Mixed gomory cuts (i.e. glpsol --gomory) allows solving your new model
with glpsol about 20 times faster than without using cuts.
(Note that there are known more efficient formulations of the linear
ordering problem.)
- [Help-glpk] Modelling Advice Request - Project Tasks, Tawny Owl, 2010/01/20
- Re: [Help-glpk] Modelling Advice Request - Project Tasks, Yaron Kretchmer, 2010/01/20
- Re: [Help-glpk] Modelling Advice Request - Project Tasks, Yingjie Lan, 2010/01/20
- Re: [Help-glpk] Modelling Advice Request - Project Tasks, Yaron Kretchmer, 2010/01/20
- RE: [Help-glpk] Modelling Advice Request - Project Tasks, Tawny Owl, 2010/01/21
- Re: [Help-glpk] Modelling Advice Request - Project Tasks,
Andrew Makhorin <=
- Message not available
- Re: [Help-glpk] Modelling Advice Request - Project Tasks, Andrew Makhorin, 2010/01/21
- Re: [Help-glpk] Modelling Advice Request - Project Tasks, Jeffrey Kantor, 2010/01/21
- Re: [Help-glpk] Modelling Advice Request - Project Tasks, Andrew Makhorin, 2010/01/22
- RE: [Help-glpk] Modelling Advice Request - Project Tasks, Yingjie Lan, 2010/01/22
- Re: [Help-glpk] Modelling Advice Request - Project Tasks, Jeffrey Kantor, 2010/01/22
- Re: [Help-glpk] Modelling Advice Request - Project Tasks, Yingjie Lan, 2010/01/22
- Re: [Help-glpk] Modelling Advice Request - Project Tasks, Andrew Makhorin, 2010/01/22
Re: [Help-glpk] Modelling Advice Request - Project Tasks, Andrew Makhorin, 2010/01/20
Re: [Help-glpk] Modelling Advice Request - Project Tasks, Andrew Makhorin, 2010/01/20