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 (6029)
Replies Last Post Views
[AMPL 1344] Very urgent by paolo_gullo
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by paolo_gullo
[AMPL 1342] How to view multiple optimal solutions for an objective function value by paolo_gullo
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by paolo_gullo
[AMPL 1341] Can a moltiplication be a problem? by paolo_gullo
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by paolo_gullo
[AMPL 1338] Regarding the AMPL CPLEX stub. by gtaljan@gmail.com
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by Hans Mittelmann
[AMPL 1334] What can be wrong with the presolve phase by paolo_gullo
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by paolo_gullo
[AMPL 1333] PAKHostOnline.com - Web Hosting | Pakistan | http://www.pakhostonline.com/ by Koom2020
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by Koom2020
[AMPL1307]Constraints with variable length by helge577
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by helge577
[AMPL 1331] A direct link to the installation manual (when I could find it online). by fausto Kordic
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by fausto Kordic
[AMPL 1298] script in Matlab by Rafael Avalos-2
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by dpo
[AMPL 1328] "if" statement on a variable...? by Rafael Avalos-2
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by Rafael Avalos-2
[AMPL 1326] Proposal by Morrow Ik
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by Morrow Ik
[AMPL 1322] Binary variables first in MPS file? by Ayman.H.Ragab
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by Hans Mittelmann
Reading data from .txt-files with the wrong form by Phil.Kleff
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by Phil.Kleff
[AMPL 1315] how to debug by ankit-3
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by Puschmann, Heinrich ...
[AMPL 1319] syntax concept by ankit-3
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by ankit-3
[AMPL 1317] concept of variable declaration by ankit-3
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by ankit-3
[AMPL 1303] Re: variable output file name by Adela Pag├Ęs Bernaus
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by Robert Fourer-2
[AMPL 1311] Re: Windows by Horst Richardson
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by Horst Richardson
[AMPL 1302] variable output file name by google-21
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by google-21
[AMPL 1304] solving mutiobjective optimization by raja-14
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by raja-14
[AMPL 1299] problem about "printf" by Luna-5
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by Robert Fourer-2
[AMPL 1294] What could possibly be wrong? by adebayoalabi@hotmail...
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by Robert Fourer-2
[AMPL 1296] There is no limitation on nesting of loops. by Loree Chavarie
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by Loree Chavarie
[AMPL 1295] What could possibly be wrong? by adebayoalabi@hotmail...
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by adebayoalabi@hotmail...
[AMPL 1293] Discussion on i-the-problem-possible-to-solve-what-solver-is-needed by Yun Lu
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by Yun Lu
[AMPL 1277] Display solutions when using nl files by Kanika-3
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by Kanika-3
[AMPL 1292] Enumerates all the surfaces attached to a given surface. by alsayed Ortner
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by alsayed Ortner
[AMPL 1104] $presolve_eps message by Bruce Moore-2
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by Robert Fourer-2
[AMPL 1288] SNOPT displaying output by Kanika-3
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by Kanika-3
[AMPL 1282] Conditional constraints by xalata
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by Puschmann, Heinrich ...
[AMPL 1278] making a problem current within a loop by Puschmann, Heinrich ...
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by Puschmann, Heinrich ...
[AMPL 1263] Some sort of #DEFINE or macro for AMPL? by Joseph-56
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by Joseph-56
Assigning integrality by Phil.Kleff
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by Phil.Kleff
[AMPL 1258] Re: How to generate .lp file? by Willian Rolando Algu...
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by arm-2
[AMPL 1272] For example, you can create a content type for a customer presentation document with a unique set of columns, an event handler, and its own document template. by Norris Montagu-2
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by Norris Montagu-2
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