Juan Orozco
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Activity overview
Latest activity by Juan Orozco-
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This error is prompted most likely by using an API Key that is no longer valid (perhaps your code is using the credentials of a person who no longer works in your organization).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...
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Juan Orozco commented,
As long as you model doesn't have numerical issues, you can definitely trust the optimal solution reported by our Solver
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Juan Orozco commented,
Official comment As explained in the section MIP Logging of our reference manual, The sub-section Current Node of the Branch-and-Cut (B&C) Tree Search provides information on the specific node that was explored at ...
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Juan Orozco commented,
Official comment In fact, Gurobi has a general constraint for this case, depending on the base of the logarithm: model.addGenConstrLog() or model.addGenConstrLogA(). As each constraint expects a variable as input a...
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Juan Orozco commented,
Official comment Our solver does not rely on enumeration to see whether a point is feasible or not. In fact, this approach does not work on real-world problems, as they typically have an astronomical number of feas...
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Juan Orozco commented,
Official comment To get non-overlapping rectangles of the same area, you can solve the following feasibility model (implemented in Python): import gurobipy as gpfrom gurobipy import GRBTOTAL_HEIGHT = 5TOTAL_WIDTH =...
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Juan Orozco commented,
Official comment You can specify this behavior by setting the parameter MIPGap.