Yali Chen

Hi, Maliheh, In addition to the above questions, I have accumulated additional questions to ask you. How to scaling the variables? For example, when I multiply a variable "b" with a very small lowe...

Hi, Maliheh, In addition to the two questions I asked you above, I also want to ask you new questions. The optimization problem is shown as follows. Optimization variables are underlined in red. T...

Hi, Maliheh, (1) Regarding the "Warning: max constraint violation (4.7465e-09) exceeds tolerance", as the violation is relatively small, if I can accept it, can the output result be guaranteed to b...

Dear Maliheh, About the questions listed above, we really need and look forward to your comments. Thank you very much！   Best regards, Yali

Dear Maliheh, The optimization problem is as follows, and optimization variables are underlined in blue. Currently, our code and existing issues are as follows. from gurobipy import *import gurobi...

Hi, Maliheh Thank you very much for your detailed reply!  We use Gurobi to sove the following problem. First, let me introduce the details. We choose M numbers (denoted as the set ) from 1 to K (de...

Hi, Marika, In addition to the above published questions, I would like to ask you why I modify model.feasRelaxS(0, False, False, True) to model.feasRelaxS(0, False, True, True), my output results w...

Hi, Marika, Thanks for your reply! I would like to ask you two more questions.  First, for the following problem, the constraints (c), (f) and (h) can be approximated using piecewise-linear approxi...

Hi, Marika, Thanks for your answer！As you can see above, we have reformulated the optimization problem，and then the constraints include function constraints. Gurobi will automatically add a piecewi...

Hi, Marika,  What I need to explain is that “the objective function only contains constants and can be computed without knowing the values of the variables that you marked red or green.” is incorre...