Sung Ook Hwang
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Latest activity by Sung Ook Hwang
Sung Ook Hwang commented,
Hi Eli, I have one more question for you. How do I get con1, con2, and con3 for the argument constrs? For example, if the model constraints look as below, then how can I define torelax list? for j ...

Sung Ook Hwang commented,
Thank you Eli for your help!

Sung Ook Hwang commented,
Thank you Eli for your comment!

Sung Ook Hwang commented,
Thank you Gwyneth, Yes, feasRelax ( relaxobjtype, minrelax, vars, lbpen, ubpen, constrs, rhspen ) is the function I need to use. According to the documentation, constrs argument tells Gurobi whic...

Sung Ook Hwang created a post,
General expression : min_ or max_
AnsweredHi, I wanted to use min_ expression in the rhs of constraint (please see the below expression, schedule[i] is decision variable). model.addConstr(quicksum(100*schedule[i] for i in index) <= 100 ...

Sung Ook Hwang created a post,
Constraint Relaxation
OngoingHi all, I am currently building the MILP model and would like to know how to make relaxations (RHS of constraints) if the model becomes infeasible. For example, let's say the model has two differ...

Sung Ook Hwang created a post,
logical constraint
AnsweredHi, Can we write logical constraints in Gurobi? For example, CPLEX can read below constraints. 1. if then else constraints (x + y >= 1) => z >= 1, (if (x+y) is greater than equal to 1 then z will b...