Questions tagged [test-instances]

For questions that refer to optimization instances used for testing or benchmarking algorithms and software packages.

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How can one iterate over all instances and solve them in GAMS?

I wrote my model down in gams all sets parameter obj. function constraints and used $include in order to feed the model differently sized data... i am currently using ...
1
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0answers
39 views

How to automatize instance generation for GAMS?

Gams problem instances can be saved in a .inc file what is basically just a .txt file and u can make gams read from that, but how can i automatize the generation process for those problem instances? I ...
10
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0answers
81 views

Is there a library of infeasible MINLP problems?

We have a number of test libraries to test solver performance like MINLPLIB, QPLIB, etc., but the problems in all libraries I know are overwhelmingly on the feasible side. Is there a library to test ...
18
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2answers
194 views

Small Traveling Salesman Problem instance

The Traveling Salesman Problem is perhaps the most studied of all combinatorial optimization problems. There has been a lot work in solving TSP instances to provable optimality. Concorde solves very ...
38
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8answers
1k views

Optimization Problem Libraries

Can someone please make a list of optimization problem libraries so that the community can add to and refine it? I know a few off the top of my head.
15
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3answers
323 views

Benchmark problems for scenario-based stochastic optimization

$\newcommand{\E}{\mathbb{E}}$I am working on numerical algorithms for solving convex large-scale multistage scenario-based problems and I am looking for some standard benchmarks problems. I have so ...
12
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2answers
161 views

Where can I find test instances for convex quadratic programming?

I am looking for (sources of) convex quadratic programming instances with linear constraints. I am open for both continuous and mixed integer problems, but do not want randomly generated instances. ...