Hello Michael,
Michael Hecht-2 wrote: > > Since glpk doesn't support semi-continuous variables I tried to simulate > it - and got > the described error. So where is the problem? By the way, CPLEX results in > the same error > but SCIP from ZIB (scip.zib.de) not! The variable RutilScBin is written to > be zero but seems > to be something like 0.000 ... 526547 (as I got from CPLEX) which > destroyes the semi-continuity. > Is there a workaround for this behaviour or better a patch? > > I ran your problem with GLPK 4.34 http://www.nabble.com/file/p21119981/test.lp test.lp http://www.nabble.com/file/p21119981/test.out test.out The result for column RutilScBin is 0: No. Column name Activity Lower bound Upper bound ------ ------------ ------------- ------------- ------------- 66 RutilScBin * 0 0 1 The results for the relevant rows are: No. Row name Activity Lower bound Upper bound ------ ------------ ------------- ------------- ------------- 56 RutilscL 0 0 57 RutilscU 0 0 Objective: cost = 3905960.696 (MINimum) Which version of GLPK have you been using? Best regards Xypron -- View this message in context: http://www.nabble.com/binary-bug-tp21117818p21119981.html Sent from the Gnu - GLPK - Bugs mailing list archive at Nabble.com. _______________________________________________ Bug-glpk mailing list [email protected] http://lists.gnu.org/mailman/listinfo/bug-glpk
