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Hey, I have a similar problem. I also want to assign starting values to my MIP in order to speed up the solution. I tried assigning the values using the ".l" suffix to the respective values and using the mipstart=1 option of CPLEX. However, this solution was not recognozed since the log file contain...
Hey, I am currently working on a larger MIP which I'd like to speed up. In this Forum I read about using the Mipstart option (since I am using CPLEX as a solver) However, GAMS gives me the following message in the log :" mip start 'm1' defined no solution" which confuses me because I took this solut...
- 1 year ago
- Forum: Modeling
- Topic: Avoiding unnecessary scanning of solution Space
- Replies: 1
- Views: 448
Hello together, This is my first Post, so I hope that I chose the right thread :) I have the following problem: I implemented a location routing problem. While checking the .log file I noticed something that could speed up the calculation time immensly if I fixed it. Let me state an example first: L...