Juan Orozco
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Activity overview
Latest activity by Juan Orozco-
Juan Orozco created an article,
Does Gurobi use warm-starts after changing a previously optimized model?
Assume you have optimized a given model instance and want to apply some changes. In that case, the following holds: If the original model is feasible: Adding a constraint to the primal problem wo...
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Juan Orozco created an article,
How can I detect when a linear expression Is within an interval?
Assume you have a linear expression, e.g. the summation of a set of decision variables \(\sum_{i}{x_i}\), and you need to detect when it is in the interval \([A, B]\) by capturing that information ...
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Juan Orozco created an article,
Can I use Azure Cosmos DB with the Cluster Manager?
Starting with Version 11, Gurobi Cluster Manager officially supports Azure CosmosDB (version 4.2 and later) with deployments on Microsoft Azure. For more information, please consult the Installing ...
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Juan Orozco created an article,
Is it possible to feed black-box functions to Gurobi?
Mathematical optimization is a declarative approach where you describe the properties of a solution to your problem. As such, it's not possible to incorporate black-box functions, such as user-defi...
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Juan Orozco created an article,
ERROR 202: Cannot get key code
The error message ERROR 202: Cannot get key code <licenseKey>indicates our license server could not find your license key. This usually happens when the user is trying to install a WLS (Web License...
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Juan Orozco commented,
I suggest to open a support ticket on our help center, including a screenshot of the err message you see.
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Juan Orozco commented,
Dear Anjani, We opened a ticket in our online support portal to discuss this further :) Kind regards,
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Juan Orozco created an article,
How do I resolve the error 'Access to This Operation Is Not Allowed' while using Gurobi Instant Cloud?
This error is prompted most likely by using an API Key that is no longer valid (perhaps your code is using the credentials of a person who no longer works in your organization). To resolve this iss...
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Juan Orozco commented,
Official comment Dear Neils, It is not necessary to indicate the origin. It's enough to select the cities to be visited. Then, Gurobi should return a tour that visits each city once. Having this information, you ca...
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Juan Orozco commented,
Dear Hamza, I see that you're using Gurobi Optimizer v9.0.3, but the current version is v9.1.1.Could you please try to solve your model instance with the latter? We constantly strive to fix known b...