Re: [Fwd: Re: Objective function defined with max, min.]
Michael Hennebry <[email protected]>
| Newsgroups | gmane.comp.gnu.glpk |
|---|---|
| Message-ID | <[email protected]> |
On Fri, 6 Jan 2017, Andrew Makhorin wrote: > -------- Forwarded Message -------- > From: Alexey Karakulov <[email protected]> > To: Michael Hennebry <[email protected]> > Cc: Andrew Makhorin <[email protected]>, [email protected] > Subject: Re: [Help-glpk] Objective function defined with max, min. > Date: Fri, 6 Jan 2017 19:46:31 +0200 > > Andrew & Michael, > > > Thanks a lot for the advice. I implemented binary variables, for f(x) = > max(x, 0). It seems to give a correct result, but works extremely slower > than LP problem. It takes like 10s for have a few dozen points with > binary variables, and I don't know how long for real problem with > hundreds of points. How? Details matter. If you used a big-M method, how did you choose M? -- Michael [email protected] "Sorry but your password must contain an uppercase letter, a number, a haiku, a gang sign, a heiroglyph, and the blood of a virgin." -- someeecards