Operations Research
Erwin Kalvelagen's user avatar
Erwin Kalvelagen's user avatar
Erwin Kalvelagen's user avatar
Erwin Kalvelagen
  • Member for 4 years, 5 months
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Developing Math Programming Models by day and trying to solve them at night.

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All Questions Answers
Score Newest
answer
12
Hard to soft constraint
Jan 23, 2021
answer
10
CPLEX log always the same after hours ("Gap" and "Best Integer" always blanks)
Jun 18, 2021
answer
9
Non-symmetric Positive Definite/Semidefinite Matrix in Quadratic Program
Jun 27, 2021
answer
8
Multithreading vs DPCC SYCL Programming for OR computational implementations
Feb 9
answer
7
How to keep solutions stable/persistent in a problem with many equally good solutions?
Nov 21, 2021
answer
7
If-then condition formulation to avoid variable multiplication
Jan 12, 2022
answer
7
How to add a SOS1 equality constraint?
Mar 23, 2021
answer
6
warmstarting simplex algorithm- how much can problems differ from each other?
Apr 20, 2021
answer
6
No-good cuts for general integer variables
Apr 24, 2021
answer
6
Knapsack problem with negative value and weights and cardinality constraint
May 4, 2022
Top network posts
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23
How to write if else statement in Linear programming?
13
How to ask for second best solution to a MIP using JuMP
8
Why would one use this tolerance in is.wholenumber
8
Drawing a 3d box in a 3d scatterplot using plotly
8
Linear program with ceiling or floor functions

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