Gwyneth Butera
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Gurobi Staff
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Articles
Recent activity by Gwyneth Butera-
How do I resolve the error "License expired 2024-10-28"?
While running your optimization, you may get an error that looks like:License expired 2024-10-28orRestricted license - for non-production use only - expires 2024-10-28If the error suggests that you...
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How do I resolve a "Model too large for size-limited Gurobi license" error?
The error message "Model too large for size-limited Gurobi license" or "Model too large for restricted Gurobi license" is displayed when Gurobi uses a restricted, size-limited license, and the mode...
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How do I set up a Named-User or Single-Machine or Single-Use license?
To obtain a Gurobi license key for your computer, you'll need to run the grbgetkey command on your machine to retrieve your Gurobi license key from the Gurobi User Portal. Note that the machine mus...
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How do I resolve the error "Error 10022: Could not resolve host: token.gurobi.com"?
The errorError 10022: Could not resolve host: token.gurobi.comoccurs when Gurobi cannot establish a connection to the Web License Service (WLS) server at token.gurobi.com. This is typically a netwo...
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How do I set parameters in Gurobi?
When you want to change the values of Gurobi parameters, you have several options. Setting parametersFrom the Python API You have several options to set parameters in the Python interface. Here ar...
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Getting Started with Gurobi Optimizer
Welcome to Gurobi Optimizer! We're here to help you get started!Basic steps to get started with Gurobi Optimizer First, obtain a Gurobi license. Next, install Gurobi Optimizer or Gurobi Compute Ser...
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How do I request a free academic AMPL license for use with Gurobi?
Beginning with Gurobi version 12.0, academic AMPL licenses for use with Gurobi are administered by AMPL through the extended AMPL Community Edition for Academics. Please refer to AMPL in Academia f...
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How do I resolve the error "No key code entered"?
Please note that starting with version 11.0.2, the Gurobi Interactive Shell has been deprecated. When launching the Gurobi Interactive shell via gurobi.sh or a shortcut to gurobi.bat, you will be p...
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How do I generate a license file for a computer without internet access?
Note: This process is not available for "self-service" Individual Named-User Academic licenses, which are listed as "Free Academic Trial" in the Gurobi User Portal.For situations in which the compu...
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How do I install Gurobi for R?
To begin, you'll need to install the Gurobi package in R. The R command for doing this is:install.packages('<R-package-file>', repos=NULL) The R package file can be found in the <installdir>/R dire...