AMPL

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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 (6026)
Replies Last Post Views
[AMPL 17713] Help with Turnover constraint by Steve Germani
1
by AMPL mailing list
[AMPL 17725] Same instance, but different solutions with the same solver and seed by fernandafreitasufmg
0
by fernandafreitasufmg
[AMPL 17722] Reading starting point from a table in excel by Paloma Auladell
0
by Paloma Auladell
[AMPL 17723] Error reading table: no acceptable table handler found by Hendrik Vetter
0
by Hendrik Vetter
[AMPL 17202] ampl gurobi to store mulitple solutions by Zhang Peng
3
by AMPL mailing list
[AMPL 17709] Extract all the feasible solutions from MIP using AMPL/Gurobi by danhu
1
by AMPL mailing list
[AMPL 17682] Problem using AMPL by Lisa
3
by AMPL mailing list
[AMPL 17658] Error at _cmdno ... Bug: bug: corrupted del_mblk arg by Peter Greistorfer
2
by Peter Greistorfer
[AMPL 17685] Formulation by Abilash25
3
by AMPL mailing list
[AMPL 17680] Reordering by Graham Edwards
2
by Graham Edwards
[AMPL 17692] Constraint or logic function by FGholami
2
by FGholami
[AMPL 17561] Error: Nonquadratic nonlinear constraint by Felipe
9
by AMPL mailing list
[AMPL 17682] definition Problem by Julia Lachmuth
1
by AMPL mailing list
[AMPL 17673] how to define a matrix by kevinkonguep
4
by kevinkonguep
[AMPL 17583] Error? exit value 3 <BREAK> by Yusuke
10
by Yusuke
[AMPL 17678] Difficulties for setup times with the parameters and inter condition by Lukas Langer
1
by AMPL mailing list
[AMPL 17659] Data for parameters with three indices by Lukas Langer
1
by AMPL mailing list
[AMPL 17665] Define sets by christinaseitinger
1
by AMPL mailing list
[AMPL 17665] set defintion by christinaseitinger
0
by christinaseitinger
[AMPL 17659] How to express a complex conditional structure like SWITCH using AMPL? by qlyu
1
by AMPL mailing list
[AMPL 17652] Modifying headers when using display command in run file by ORmodel
3
by AMPL mailing list
[AMPL 17622] Variable number of columns by Peter Greistorfer
2
by Peter Greistorfer
[AMPL 17613] vars and constraints by Hadi A
2
by Hadi A
[AMPL 17544] How to increase memory of CPLEX by AMPL by vinhkp3rljv
8
by AMPL mailing list
[AMPL 17640] syntax error in variable definition by Rupsana Parveen
1
by AMPL mailing list
[AMPL 17631] Parameter _total_solve_user_time by Michael David de Sou...
2
by Michael David de Sou...
[AMPL 17618] Combine different sets by christinaseitinger
2
by AMPL mailing list
[AMPL 17624] flexible flow shop/ hybrid flow shop- PLEASE HELP! by Julia Lachmuth
2
by Julia Lachmuth
[AMPL 17642] unsubcribe by Namık Kemal ERDOĞAN
0
by Namık Kemal ERDOĞAN
[AMPL 17614] Error: i is not defined by Lukas Langer
2
by Lukas Langer
[AMPL 17586] Problem has too few degrees of freedom by Albrecht, Gaby
5
by AMPL mailing list
[AMPL 17625] Exit value 3 <BREAK> by Yusuke
1
by AMPL mailing list
[AMPL 17617] Error " " is not a param (or var or constraint) by felipe945
1
by AMPL mailing list
[AMPL 17616] Index problem by Tahirov
1
by AMPL mailing list
[AMPL 17615] invalid subscript c[1,0] by Julia Lachmuth
1
by AMPL mailing list
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