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 (5881)
Replies Last Post Views
[AMPL 16579] Set indexing by Elyas MZ
2
by Elyas MZ
[AMPL 16584] How to specific a starting indices for a set in different constraint? by Vinh K
2
by Vinh K
[AMPL 16566] Windows temp files(.nl, .row, .sol) not getting deleted when Solve gets error. by matias.lecaros
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by AMPL mailing list
[AMPL 16564] Example problem by AMPL Beta user
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by AMPL mailing list
[AMPL 16575] by şeyma doğan
1
by AMPL mailing list
[AMPL 16561] INVALID SUBSCRIPT reorder['daily','A5'] by 41248991msc
1
by AMPL mailing list
[AMPL 16560] invalid subscript reorder['daily','daily'] by 41248991msc
1
by AMPL mailing list
[AMPL 16548] Error when trying to change the directory by R Reddy
3
by AMPL mailing list
[AMPL 16553] conditional set by Rupsana Parveen
0
by Rupsana Parveen
[AMPL 16548] Saving files in a directory by Rakesh Mallipeddi
1
by AMPL mailing list
[AMPL 16545] equivalence set by pujatewari82
1
by AMPL mailing list
[AMPL 16543] Error in NLP model creation by ravi monga
1
by AMPL mailing list
[AMPL 16498] Solution pool by Fabian Wilschewski
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by Fabian Wilschewski
[AMPL 16534] FIX versus PURGE by Ellen-22
1
by AMPL mailing list
[AMPL 8985] Solving nonlinear optimization problem with discrete variables by merihan briana
5
by pietro belotti
[AMPL 16532] Conditional constraints by LARA-3
3
by AMPL mailing list
[AMPL 16533] Conditional constraint in AMPL by LARA-3
0
by LARA-3
[AMPL 16532] Conditional constraint in AMPL by LARA-3
0
by LARA-3
[AMPL 16492] ampl + two dimensional set by Lara
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by AMPL mailing list
[AMPL 16526] Pareto front by Lara
1
by AMPL mailing list
[AMPL 16516] Dual solution by pujatewari82
2
by AMPL mailing list
[AMPL 16505] (f)flush in AMPL? by sels.peter
1
by AMPL mailing list
[AMPL 16290] modified libasl, now how to link ampl? by Alan Heirich
25
by AMPL mailing list
[AMPL 16478] Infeasible solution reported by COUENNE but feasible solution found by IPOPT by David-914
9
by David-914
[AMPL 16515] Obtaining 'c' vector and 'A' constraint matrix from MPS file by Ripon Sarowar
1
by AMPL mailing list
[AMPL 16508] couenne option by Lara
2
by Lara
[AMPL 16505] Library STATLIB and function INVCUMNORMAL? by Valdir de Jesus
1
by AMPL mailing list
[AMPL 16504] first line in results by stockage.data.ga
1
by AMPL mailing list
[AMPL 16502] Please cancel my subscription to your group by Yaser Musa
1
by AMPL mailing list
[AMPL 16496] Infeasible constraints determined by presolve-Binary constraints by Salma Naamane
3
by Salma Naamane
[AMPL 16495] How to linearize a=min (x,y) in CPLEX by qytn001
1
by AMPL mailing list
[AMPL 16448] MILP by sahebeh.azar
5
by AMPL mailing list
[AMPL 16488] User Defined DLL File Documentation by Alex Nguyen
1
by AMPL mailing list
[AMPL 16419] Shadow price doesn’t work in AMPL version 20180123 using solver CPLEX 12.7.1 by Chia-Chun Tsai
4
by AMPL mailing list
[AMPL 16470] Coding constraints in AMPL which requires updating an initial value by Udoy Paul-2
3
by Udoy Paul-2
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