Johannes Pelda

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Recent activity by Johannes Pelda Recent activity Votes

  • Dear Jaromil, Thank you for helping! It turned out that changing m^2 that occurres in one constraint to a new variable m2=m*m solved the issue. However the inequality constraint still does not wor...

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  • Hi, changing the bounds on "div" will also not lead to a feasibility. Here you will find the computeIIS() *.ilp files: sp70rp50 - m_(p-pmin).ilp = https://cloud.hawk.de/index.php/s/TGraNz885HFajzX ...

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  • Dear Jaromił, thank you for your comment. I have used the approach of "How do I model multilinear terms in Gurobi" where it was meaningful, so far. The results of computeIIS() show that my bounds s...

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  • Dear Eli, The method model.computeIIS() is not giving any results. Moreover, it is not starting properly. It stucks when calling without error message and the CPU keeps running at full load (test 1...

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  • Dear Eli, Thank you very much for your instant response. I implemented your suggested approach in the model. However, it is still not feasible and gurobi says unbounded. I also added some lb and ub...

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