OPTIONS OPTCR=0.1,LIMCOL=0,LIMROW=0,decimals=4,reslim=604800;
OPTIONS LIMROW=10;
$echo mipemphasis 3 > cplex.opt
PEMS.optfile = 1;
In advance, I appreciate your comments, and suggestions.
Search found 4 matches
- 7 months ago
- Forum: Solvers
- Topic: Duality Gap
- Replies: 2
- Views: 7074
Re: Duality Gap
Thank you. I will read. BTW, a part of my log is as follows:
Also, my options are:
OPTIONS OPTCR=0.1,LIMCOL=0,LIMROW=0,decimals=4,reslim=604800;
OPTIONS LIMROW=10;
$echo mipemphasis 3 > cplex.opt
PEMS.optfile = 1;
In advance, I appreciate your comments, and suggestions.
Also, my options are:
OPTIONS OPTCR=0.1,LIMCOL=0,LIMROW=0,decimals=4,reslim=604800;
OPTIONS LIMROW=10;
$echo mipemphasis 3 > cplex.opt
PEMS.optfile = 1;
In advance, I appreciate your comments, and suggestions.
- 7 months ago
- Forum: Solvers
- Topic: mipemphasis
- Replies: 4
- Views: 12853
Re: mipemphasis
Thank you very much. I added: $echo mipemphasis 3 > cplex.opt PEMS.optfile = 1; To my code and I did not receive an error. However, when the gap reach to 65%, it would still very slow. I will show a part of log: image.png I do not know how to accelerate the execution. Let me share my options to be a...
- 7 months ago
- Forum: Solvers
- Topic: mipemphasis
- Replies: 4
- Views: 12853
mipemphasis
When I write OPTIONS mipemphasis = 2; in GAMs. It encounters error: Error 250 in C:\Users\A\Desktop\CaseB_Block1\BaseCaseBlockB1.gms[ERR:"C:\Users\A\Desktop\CaseB_Block1\BaseCaseBlockB1.gms",132,21][LST:154] Unknown option. valid are - LP = "lpname" ( This works for all other mod...
- 7 months ago
- Forum: Solvers
- Topic: Duality Gap
- Replies: 2
- Views: 7074
Duality Gap
Dear Friends: I have a MIP with 12000 single binary variable. While solving the problem, the dual gap starting to decrease fast at the first but when it reaches around 70% it will decrease very slowly for example 69.99, 69,99, 69,98, 69.88,....... I would be grateful if you could guide me how can I ...