Hi G.S, It is neccesary to set parm.presolve=ON before solving MIP. In fact, I've tried with parm.presolve=OFF but the results are always 0. Anyway, thank you.
On Mon, Aug 5, 2013 at 5:34 PM, Giorgio Sartor <[email protected]> wrote: > Ok. Just try parm.presolve=OFF and let me know if then works. > > > - G. S. - > > Il giorno 05/ago/2013, alle ore 16:51, Le Dinh Danh <[email protected]> ha > scritto: > > Hi Giorgio Sartor, > > On Mon, Aug 5, 2013 at 4:14 PM, Giorgio Sartor <[email protected]> wrote: > >> Is glp_iocp.presolve activated? >> > Yes, I have already set parm.presolve = ON. > >> A common cause of incorrect solutions is that your solution is correct >> for the original problem but not correct for the current problem (which >> could have been modified by GLPK during the solving process). >> Stupid question: does your solution start from position 1 of the array? >> > Yes, of course. > >> >> - G. S. - >> >> Il giorno 05/ago/2013, alle ore 14:58, Le Dinh Danh <[email protected]> >> ha scritto: >> >> With "the result is still incorrect" I mean after calling the callback >> function, the solver find the solution but it is not correct one. I don't >> know why. If I don't call the cacllback, the solve provide a good solution. >> I can check it manually. >> >> >> On Mon, Aug 5, 2013 at 1:19 PM, Giorgio Sartor <[email protected]>wrote: >> >>> What do you mean with "the result is still incorrect"? >>> >>> >>> - G. S. - >>> >>> Il giorno 05/ago/2013, alle ore 12:57, Le Dinh Danh <[email protected]> >>> ha scritto: >>> >>> > the result is still incorrect. >>> >> >> >> >> -- >> Le Dinh Danh >> LIRMM, 161 rue Ada, 34095 Montpellier Cedex 5 >> Email: [email protected]; [email protected] >> Tel: (+84) 912.449.666; (+33) 6.52.98.59.66 >> >> > > > -- > Le Dinh Danh > LIRMM, 161 rue Ada, 34095 Montpellier Cedex 5 > Email: [email protected]; [email protected] > Tel: (+84) 912.449.666; (+33) 6.52.98.59.66 > > -- Le Dinh Danh LIRMM, 161 rue Ada, 34095 Montpellier Cedex 5 Email: [email protected]; [email protected] Tel: (+84) 912.449.666; (+33) 6.52.98.59.66
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