I've been using CPLEX through AMPL for a couple of years but I'm finding it limiting and want to try CPLEX through either C++ or Python. I know plenty of people who use Concert wit …

After considering some possibilities for the future of OR-Exchange, I am considering the suggestion that we enter a relationship with INFORMS. I have discussed this with a number …

Hi, I want to become an optimization solution expert, I know I need skill like, cplex, industry domain knowledge, like manufacturing, c/c++/java programming skill, modeling skil …

I am trying to solve a maximum coverage problem, with a budget constraint. Specifically, I want to maximize the number of elements covered given information on the sets in which e …

I'm working on modeling a VRP-type problem where drivers not showing up is a problem. I'm wondering if people have done work on this and having trouble finding much (or anything at …

This must seem like a really elementary question, so please bear with me. Suppose I have a nonlinear system of equations: f(x) = 0 where x = [ y z u ]'. y = vector of output var …

Many of the major players in our industry seem to share a common belief for the future of business. They predict analytic solutions as an key player in software solutions. IBM ha …

Hi everyone. Another DW question... First of all, you can see the structure of my problem here: http://www.kreutz.us/images/structure.png (Note: I know Benders decomp would probab …

Hello, everyone. I am interested in what kind of OR methods can be applied in area of construction planning and scheduling? Can anyone give some successful cases where OR, such as …

Hi, I'm facing a shift assignment problem for a big company, and, although I am quite experienced on this discipline, I'd like to know if someone could give me references and pape …

I'm interested in the solution to the following problem: I have initial capital $C$ which I can invest into $M$ classes of resources, each unit of a class $m_i$ matures at time $t …

Hi, I am a young Operations researcher and am in the field for past 3 years since the start of my graduate school at Texas A&M. I am sure many of you have been reading a …

So, has anyone been following this new claim on a proof? I recall a thread on sci.op-research from a few days back. Obviously, it's natural to be skeptical after all the cranks wh …

I apologize for posting a question about OR-Exchange here -- I did try looking for a meta.or-exchange.com type forum, but I couldn't find one. I was just wondering if there are pl …

I believe that revenue management could be really helpful for my current organization. I only have a surface knowledge of the subject. I do not have a whole lot of experience imp …