Grzegorz Siekaniec

1. Community
2. Algorithms
3. Dual values for maximization problem with and without variable upper bound

Hi Maliheh, thanks for prompt answer. I stumbled across this one in the context of column generation and initial solution. The example that I provided here was the smallest one where I managed to r...

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• Grzegorz Siekaniec
• October 28, 2021 19:33
• 0 votes

1. Community
2. Programming
3. Usage of variable as key during building of model - Python API

Hi Jaromił, thanks for finding time to provide an answer. The reason why I want to have bidrectional dictionary is to map business domain objects with variables so it is easier to query solution an...

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• Grzegorz Siekaniec
• May 19, 2021 10:39
• 0 votes

1. Community
2. Programming
3. Preferred way to check if variable value is non zero

Thank you for your explanation. I would like to clarify one thing - let say that I am declaring variable as integer or binary, then what you are saying is that I cannot expect that its value in sol...

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• Grzegorz Siekaniec
• November 25, 2019 17:15
• Edited
• 0 votes

1. Community
2. Systems
3. error in pycharm

It seems that PyCharm is not picking up settings from your terminal set through ".bashrc" as explained in Gurobi documentation. So although you might be able to solve it from terminal, even termina...

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• Grzegorz Siekaniec
• November 17, 2019 20:58
• Edited
• 0 votes