Questions tagged [academia]
For questions relating to Operations Research in academic settings.
18
questions
6
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2
answers
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Is it alright to display mean CPU usage of algorithm instead of CPU cores available?
In many OR articles I have read, there is a numerical experiments part which explains the configuration used and in particular, the number of CPU available.
However, I am obliged to run my experiments ...
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2
votes
0
answers
47
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Abstract-only European conferences in OR with economics sections
Do you know some European conferences requiring to send sole abstract which is then published in book of abstracts? I am searching mostly for conferences in Operations Research with an economics ...
- 121
2
votes
2
answers
203
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How do you pronounce MILP? [closed]
Apologies for the english question, but I believe this forum will be better suited for answering my question.
I am trying to decide whether I should use A MILP or An MILP, as I have seen both cases in ...
- 618
7
votes
4
answers
3k
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Python vs. compiled languages in OR research using metaheuristics
In many articles that use metaheuristics to solve optimization problems, the programming language of choice is C++. For example, the following two articles present state-of-the-art metaheuristics to ...
- 185
4
votes
0
answers
63
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What is the ACM Queue for operations research (or sub-disciplines)?
In his 2016 Usenix presentation Bryan Cantrill highlighted an issue with how conferences work in operating system research. He mentioned an alternative format called Queue by ACM which he describes as ...
- 4,037
11
votes
1
answer
190
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Interplay of OR and Statistics Research
I saw some posts like this so I figured I would start my own.
What are some interesting papers in OR that are related to, or even develop, the theory of statistical inference? What are some of the ...
- 280
8
votes
2
answers
96
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Alternatives for real-world data collection in simulation courses for Fall 2020
I teach a discrete-event system simulation course in Fall 2020. As with most DES simulation courses, students have term projects that involve gathering real-world data and building stochastic input ...
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3
votes
2
answers
173
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Using R for coding Matheuristic for Research Publication
Given that R possesses superior data pre-processing and post-processing packages, I am thinking of coding a matheuristic using R for publishing in an academic research journal.
However, I am unable ...
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8
votes
1
answer
72
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Covering problem on a network (?)
I have this problem described in natural language, and I was wondering whether it is relatable to any known problem.
I have a directed acyclic graph. Each node can host a "probe". If node $i$ hosts ...
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6
votes
3
answers
1k
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Academic Licenses of Baron & Knitro
Is there a way to obtain a free BARON or Knitro license? I am doing academic research and I really need these global optimization solvers (Knitro is not necessarily for global optimization, although ...
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13
votes
2
answers
998
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How fair is limit solver threads when publishing?
Reading gurobi reference manual I found this:
We have also found that certain classes of MIP models benefit from reducing the thread count, often all the way down to one thread. Starting multiple ...
- 513
13
votes
4
answers
1k
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Implementation gap in logistics
Typically OR-projects steps are: observing a situation, modeling it, solving the model, implementing the solution, and evaluating the situation.
In the area of production and logistics, the models ...
- 2,411
16
votes
1
answer
253
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What Is OR Research Like?
I am working on my MSc thesis right now which is in resource economics, but I have ended up actually operating mostly in the realm of OR and learning about programming, algorithms, optimization ...
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14
votes
2
answers
481
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How is the field of operations research evolving?
I am interested in applying to some OR faculty positions this academic cycle and I am hoping to get a better understanding of the field. For context, I come from an (electrical) engineering background,...
- 243
13
votes
1
answer
925
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Representing an indicator function: binary variables and "indicator constraints"
I want to represent the indicator function:
$$ \mathbb{1}_{(y=j)}$$
where $y$ is a non negative, integer variable.
My attempt is as follows: define a binary variable:
$$ z_j =\begin{cases}
1 \qquad\...
- 937