AMPL

This forum is an archive for the mailing list ampl@googlegroups.com (more options) Messages posted here will be sent to this mailing list.
A discussion and help group for AMPL, an algebraic modeling language for optimization problems of many kinds.  AMPL lets people use common notation and familiar concepts to formulate models and examine solutions, while the computer manages communication with appropriate solvers.
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Topics (7421)
Replies Last Post Views
[AMPL 22869] Facility location problem & Benders - incorrect results by mihajlo
2
by mihajlo
[AMPL 22873] saving multiple .txt files by J C
2
by J C
[AMPL 22868] Labeling solutions by J C
4
by J C
[AMPL 22875] Two dimensional piecewise linear function by Dinoman
0
by Dinoman
[AMPL 22874] STUPRA ED UCCIDE I BAMBINI: DANIELE MINOTTI! AVVOCATO PEDOFILO, SATANISTA, SATAN卐AZISTA, MASSON^PIDUISTA, ASSASSINO DI GENOVA, RAPALLO E CRIMINALISSIMO STUDIO LEGALE LISI! É DAVVERO DA ARRESTARE L'AVVOCATO PEDOFILO ED ASSASSINO DANIELE MINOTTI (TWI by GIULIANO URBANI VADA...
0
by GIULIANO URBANI VADA...
[AMPL 22867] AMPL/MATLAB API defining matrices by Kin Cheong Sou
1
by AMPL mailing list
[AMPL 22816] Not all variables are displayed in the results file by Vivi
4
by Vivi
[AMPL 22864] error with code by Ellalove a
1
by AMPL mailing list
[AMPL 22862] Creating a set with two-dimensional entries using a loop by Jan Harmuth
1
by AMPL mailing list
[AMPL 22853] Transfering the solution as a parameter for identical problem by Mariia Vitenbek
6
by AMPL mailing list
[AMPL 22854] error processing constraint f1[49]: invalid subscript x1[50] by haftom abraha
2
by haftom abraha
[AMPL 22846] Question: by Sebastian Rehbein Vi...
1
by AMPL mailing list
[AMPL 22850] Cannot invoke minos by Rahaf
1
by AMPL mailing list
[AMPL 22845] i not equal to j in for all constraint by Nan Karnsakulthon
1
by AMPL mailing list
[AMPL 22845] Rungge Kutta 4th order by JEEVAN KANESAN
0
by JEEVAN KANESAN
[AMPL 22846] Setting i not equal to j in for all constraint by Nan Karnsakulthon
0
by Nan Karnsakulthon
[AMPL 22836] Error "Bailing out after 10 warnings" by Jennifer Arellana Gu...
3
by AMPL mailing list
[AMPL 22840] Set with the same member by fernandafreitasufmg
1
by AMPL mailing list
[AMPL 22823] HELP! The ampl printed "QP Hessian is not positive semi-definite" by Peru Pe
4
by Peru Pe
[AMPL 22835] Rare issues: 1 expand for indexed problems, 2 misbehavior of ampl process in prompt by Víctor Mario Noble R...
1
by AMPL mailing list
[AMPL 22824] error in data file by Manal AL-Mousa
3
by AMPL mailing list
[AMPL 22835] Rare issues: 1 expand for indexed problems, 2 misbehavior of ampl process in prompt by Víctor Mario Noble R...
0
by Víctor Mario Noble R...
[AMPL 22827] Logical constraint _slogcon[1] is not an indicator constraint. by Corazon
1
by AMPL mailing list
[AMPL 22825] license expired by Rahaf
1
by AMPL mailing list
[AMPL 22812] built in ampl parameters by Janina Sand
1
by AMPL mailing list
[AMPL 22724] objective and constraint by Manal AL-Mousa
20
by AMPL mailing list
[AMPL 22795] API AMPL compatible with c++17 by dmo...@gmail.com
4
by AMPL mailing list
[AMPL 22767] knitro solver problem by Jan Müller
8
by Jan Müller
[AMPL 22764] AMPL statement by Vivi
2
by Vivi
[AMPL 22802] AMPL Problem Consult by 林惠文
1
by AMPL mailing list
[AMPL 22732] Error while solving optimization problem by RS
3
by AMPL mailing list
[AMPL 22800] presolve result by RP
1
by AMPL mailing list
[AMPL 22796] Inventory rebalancing through pricing in public bike sharing systems by Jan Harmuth
1
by AMPL mailing list
[AMPL 22796] param- error 2 by ppkaa
2
by ppkaa
[AMPL 22791] Minimizing sum with logarithms by Angela
2
by Angela
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