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Questions tagged [software]

For questions related to commercial or open-source computer software used for operations research problems.

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25 votes
7 answers
4k views

List of Implementations for common OR problems

For the TSP there famously is the concord solver (http://www.math.uwaterloo.ca/tsp/concorde.html) which is argubly the fastest exact solver for the TSP. There are many other problems that also show ...
PSLP's user avatar
  • 2,401
19 votes
7 answers
8k views

Are programming languages necessary/useful for operations research practitioner?

This semester I will start teaching Programming in Python to Master students in Supply Chain Management. I would like to start the first lesson with "Why learning programming languages will be useful ...
Atilla Ozgur's user avatar
29 votes
4 answers
440 views

How to avoid having your optimization models rusting?

When designing optimization models for external organizations, I have witnessed the following: We design an optimization model for a given problem. We fine-tune it based on a portfolio of ...
Renaud M.'s user avatar
  • 2,418
14 votes
2 answers
536 views

OR Software Forums

A list of OR Software forums would be nice. Can someone import the list of OR Software forums from the (now) read-only OR Exchange at https://www.or-exchange.org/questions/9068/or-software-forums ? ...
Mark L. Stone's user avatar
13 votes
7 answers
573 views

Are there reusable formulations/heuristics shared with the community?

There aren't many examples of reusable functionality shared as a result of research or commercial software development. Has anyone come across any? Here is one I just learned of: https://github.com/...
fhk's user avatar
  • 1,069
12 votes
3 answers
1k views

How to choose an architecture for an OR web app and how to learn the tech stack associated?

After carefully reading the answers to my previous post I decided to opt for developing and deploying an app as a web service. I watched a talk on optimization apps. It suggests using the following ...
Best_fit's user avatar
  • 129
12 votes
1 answer
333 views

QA techniques for optimization problem coding

I often spend much, much, more time QAing and debugging my code than I do actually writing the optimization problem or shaping my data. Are there any tools or techniques to make it easier? I am asking ...
Zohar Strinka's user avatar
7 votes
1 answer
555 views

Java source code for branch and price

Is there any Java source code (or framework) to implement and solve MILP using the branch and price method? AFAIK, jORLib is a framework to implement B&P using Java, but it does not have any ...
A.Omidi's user avatar
  • 8,960
2 votes
2 answers
9k views

Downloading and setting up CPLEX for Pyomo

I have just installed Anaconda and am intending to use Spyder as it is able to display variable, parameter values for debugging. After which, I am planning to use Pyomo to code my MIP model and invoke ...
Mike's user avatar
  • 717