
Frederik Schadd
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Activity overview
Latest activity by Frederik Schadd-
Frederik Schadd commented,
Sure, we've been trying explicit presolves like this: model_copy.reset() model_copy.setParam("PreSolve", 1)model_copy.setParam("PreSparsify", 1)presolved = model_copy.presolve()relaxed = presolved...
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Frederik Schadd commented,
In our case, the presolve removed all columns without providing a solution or objective value. The resulting model object contains no data. Here is an example of this happening: [2024-01-17 10:50:1...
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Frederik Schadd created a post,
Sparsify a model without presolve
OngoingHello, I'm trying to do an explicit root relaxation for a model based on the answers of this topic: https://support.gurobi.com/hc/en-us/community/posts/360077249052-Root-relaxation-objective-value-...
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Frederik Schadd commented,
Hi Matthias, thanks for the response. This approach would print the stats to the stdout which I would then have to read back in again. Is there a more direct of doing this? Also, what are the thres...
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Frederik Schadd created a post,
Programmatically determining warnings, e.g. large RHS
AnsweredHello, I'm currently facing a model issue that's causing the following warning: Warning: Model contains large rhs While I've figured out the actual model issue already, I'm wondering if there is a ...