I was under the impression that calling the add_qpterms function would add a separate set of variables- however I see now that this makes no sense at all.
On Sunday, January 18, 2015 at 12:45:30 AM UTC-5, Micah McClimans wrote: > > Oh, I see, thank you. No, I'm modifying my code to use JuMP, but I think I > see now how to do it directly. > > On Sunday, January 18, 2015 at 12:44:29 AM UTC-5, Micah McClimans wrote: >> >> JuMP however is very easy to modify my problem to- I think I'll use that >> solution. Thanks. >> >> On Saturday, January 17, 2015 at 11:49:29 PM UTC-5, Micah McClimans wrote: >>> >>> Thank you, however I've read those very sections thoroughly, and as far >>> as I can tell adding QP variables is distinct from adding linear integer >>> variables. There is no clear explanation of how to force QP variables to be >>> integers. >>> >>> On Saturday, January 17, 2015 at 7:43:09 PM UTC-5, Joey Huchette wrote: >>>> >>>> Hey Micah, >>>> This is definitely possible, provided your quadratic constraints are >>>> convex or second-order cone representable. See this section >>>> <https://github.com/JuliaOpt/Gurobi.jl#quadratic-programming-examples> >>>> of the readme for how to set up a QP, and this section >>>> <https://github.com/JuliaOpt/Gurobi.jl#mixed-integer-programming> for >>>> how to specify integer variables. Also check out our modeling package >>>> JuMP <https://github.com/JuliaOpt/JuMP.jl> for an algebraic modeling >>>> language that I’d recommend using over the lower-level Gurobi interface >>>> directly. >>>> >>>> Also, there’s a julia-opt mailing list >>>> <https://groups.google.com/forum/#!forum/julia-opt> we’ve set up for >>>> these types of questions related to optimization in Julia. >>>> >>>> On Saturday, January 17, 2015 at 6:19:59 PM UTC-5, Micah McClimans >>>> wrote: >>>> >>>> I'm trying to figure out how to set up a Mixed Integer Quadratic >>>>> Program in Gurobi through Julia, and I'm not seeing how to do it. I'm not >>>>> seeing anything in the source code that even suggests that it can be >>>>> done, >>>>> but since I can't see anything in the Gurobi docs explaining how to do it >>>>> either, I could very well be missing something important. I'd like to >>>>> avoid >>>>> actually modifying the Gurobi package, since I could easily screw >>>>> something >>>>> up, but if MIQP can't be done in Gurobi/Julia, I suppose I would. >>>>> >>>> >>>> >>>
