Gwyneth Butera
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Gurobi Staff
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Articles
Recent activity by Gwyneth Butera-
How do I move my free Academic Named-User or free Online Course license?
We do not transfer or move free Online Course or free "self-serve" Academic Named-User licenses to a new machine. However, there is no limit on the number of Academic Named-User licenses you can cr...
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How do I modify the branch-and-bound algorithm or create a branch-price-and-cut algorithm?
Gurobi does not support to apply your own branching rules or dynamically add new variables in some branch-and-bound node, as it is required in algorithms based on column generation, e.g., branch-an...
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Gurobi 11.0.2 released
As of May 2024, Gurobi version 11.0.2 is officially released! Please download this newest technical release from the Download Center on our website.Further information Download the latest version o...
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How do I resolve an "Error code 10009: Token validation error (status 8)"?
The errorERROR 10009: Token Validation Error (status 8)orGurobiError: Web license token too new (asynchronous client clock)typically indicates that the internal clock of the machine or container ru...
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Tutorial: Customization Through Callbacks
One type of customization we'd like to touch on briefly can be achieved through Gurobi callbacks. Callbacks allow you to track the progress of the optimization process. For the sake of our example,...
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How do I set system environment variables for Gurobi?
Gurobi uses environment variables for multiple configuration purposes. For example, you can set the variable GRB_LICENSE_FILE to indicate where to look for a license file, or set environment variab...
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How do I resolve an "ERROR 202" when running grbgetkey?
The error message ERROR 202: Cannot get key code <licenseKey>indicates our license server could not find your license key. This usually happens when there is a typo in the key passed to grbgetkey, ...
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What system changes can invalidate a license file?
Errors such as: ERROR 10009: HostID mismatch ERROR 10009: License is for 8 cores, machine has XX indicate that the license file was generated for a machine with a different host ID, different core ...
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Gurobi 11.0.1 released
As of March 2024, Gurobi version 11.0.1 is officially released! Please download this newest technical release from the Download Center on our website.Further information Download the latest version...
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How do I use Web Licensing Service (WLS) with Azure App Service?
IntroductionAzure App Service is a product offered by Microsoft Azure that offers the deployment of web applications in a Docker container on an Azure Virtual Machine. In its current configuration,...