Sonja Mars
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Articles
Votes on activity by Sonja Mars-
What is the difference between user cuts and lazy constraints?
User cuts and lazy constraints are similar but have some important differences. User cuts help tighten the relaxation of a MIP by removing fractional solutions. They are not required for the mode...
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Are there performance differences amongst the different Gurobi APIs?
The Gurobi APIs (Java, Python, C++, C#, R, and Matlab) are thin layers built on top of the C API. These APIs collect the data and pass it on to the core library, which is written in C. From a solve...
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Gurobi release and support history
Gurobi versions are of the form X.Y.Z, where X is the major release, Y is the minor release, and Z is the technical release.Starting with major release 10, Gurobi product releases are supported for...
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How do I resolve "ImportError: DLL load failed while importing gurobipy"?
This is only for Gurobi 9.0.1.Setup:Windows, Python 3.8.1 from http://www.python.org Situation:after running python setup.py install, importing gurobipy fails with this error from .gurobipy import ...
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grbgetkey: command not found
The grbgetkey executable is located within the full Gurobi installation. If you receive the error "command not found" or "'grbgetkey' is not recognized as an internal or external command, operable ...
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Gurobi 12.0 released
As of November 2024, Gurobi version 12.0.0 is officially released! Please download this newest major release from the Download Center on our website. Further information Download the latest version...
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New Documentation Site
We are happy to announce that our documentation has been moved to a new page. The page is located at docs.gurobi.com and includes our: Getting Started Pages Example Tour Reference Manual AMPL-Guro...
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Gurobi 11.0.3 released
As of July, 2024, Gurobi version 11.0.3 is officially released! Please download this newest technical release from the Download Center on our website. Further information Download the latest ve...
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Gurobi 11.0 released
As of November 2023, Gurobi version 11.0.0 is officially released! Please download this newest major release from the Download Center on our website. Further information Download the latest ver...
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Gurobi 10.0.3 released
As of September 2023, Gurobi version 10.0.3 is officially released! Please download this newest technical release from the Download Center on our website. Resolved issues Bug fixes included in th...