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1 answer
7 views

How to identify constraints that make problem not solvable in polynomial time?

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0 answers
56 views

In routing problems, when is it ever necessary to include both 1) subtour elimination constraints, AND 2) elementary paths constraint?

1 vote
2 answers
192 views

How to properly tackle a big model using weak constraints

-1 votes
3 answers
62 views

mip - mapping of equality to boolean variable

-2 votes
0 answers
39 views

Optimize Packaging Dimension

1 vote
2 answers
96 views

Help with Mathematical Formulation for VRP with Specific Constraints

0 votes
0 answers
86 views

How should one proceed with column generation when the subproblem generates only columns with positive reduced costs?

2 votes
1 answer
93 views

How to change the variable bound from an interval to its lower and upper bound in JuMP?

3 votes
1 answer
179 views

Formulation of binary constraint with the least binary variables for linear programming

0 votes
1 answer
69 views

Is an insanely high number of feasibility cuts normal while solving a VRP with Benders?

1 vote
1 answer
63 views

How to calculate the duration of a task in each shift?

2 votes
4 answers
112 views

How to fill the days in sequence?

2 votes
1 answer
91 views

How to select intermediate nodes in a network?

1 vote
1 answer
34 views

if else condition with multiple criteria in MIP

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