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 (5906)
Replies Last Post Views
[AMPL 944] AMPL/CPLEX initialization problem by yair-4
1
by Robert Fourer-2
[AMPL 945] Repeated display to a file fails. by porkka
0
by porkka
[AMPL 942] AMPL (Linux) and Database questions by Luna-5
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by Bruce Moore-2
[AMPL 934] "reset data" and its affect on declarations in a run file by grinnell16
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by Robert Fourer-2
[AMPL 935] AMPL and other programs (Databases) by Carl He
2
by medvall
[AMPL 937] Issue with reset command within for loop by pula-2
2
by pula-2
[AMPL 932] for loop problem in sudoku by Carl He
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by Robert Fourer-2
Random numbers. by JEM84
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by JEM84
[AMPL 928] How to get AMPL source file in LaTeX? by Sive.Christiansen
2
by Sive.Christiansen
[AMPL 926] Default Parameter Value Bug by Steven Harrod
1
by Robert Fourer-2
[AMPL 919] Summing over (Sub-)Sets to Generate Constraints by Steffen-6
1
by Robert Fourer-2
Defining params on 2Dnodes X 2Dnodes by mystr128
1
by Robert Fourer-2
[AMPL 920] For Ampl by Alejandra Ho
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by Alejandra Ho
[AMPL 911] Why running certain 'model' commands within loops seems impossible by porkka
1
by Robert Fourer-2
[AMPL 897] defining a set with multiple constraints by Song Yang-2
8
by antti.ruotoistenmaki
[AMPL 908] use of if sentence by mtarifenog-2
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by mtarifenog-2
[AMPL 903] Re: initial solution problem--warm up so slow?? by Robert Fourer-2
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by Robert Fourer-2
[AMPL 902] Re: initial solution problem--warm up so slow?? by A. Ismael F. Vaz
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by A. Ismael F. Vaz
[AMPL 898] help for a beginer by bodmonkey
1
by Mike P-5
[AMPL 900] Urgent Assistance (Jennifer Wilson) by Jennifer Wilson-2
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by Jennifer Wilson-2
[AMPL 901] initial solution problem--warm up so slow?? by stanford_CA
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by stanford_CA
[AMPL 896] error using ampl external function by Roy Chen
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by Roy Chen
[AMPL 894] print on a file by Agostino-2
1
by Robert Fourer-2
[AMPL 887] Circular permutations in AMPL by math_prog
2
by math_prog
[AMPL 892] CSV File Table-handling by AMM-2
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by AMM-2
[AMPL 890] need help by math_prog
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by math_prog
[AMPL 889] How to allow only a few combinations of the variables to be nonzero? by pula-2
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by pula-2
[AMPL 880] Need help by cmsa
2
by cmsa
[AMPL 886] Networks by gyebnar rank
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by gyebnar rank
[AMPL 883] Optimization with simulation by sandy-31
1
by dale.rosenthal
[AMPL 882] Re: Need help with problem by Robert Fourer-2
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by Robert Fourer-2
[AMPL 877] isDualFeasible? by Joanna-9
1
by Robert Fourer-2
[AMPL 876] how to get the best bound of a terminated simplex? by Joanna-9
2
by Joanna Bauer
[AMPL 875] Printing the feasible solutions of a MILP while CPLEX is still processing the nodes?? by pula-2
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by pula-2
[AMPL 874] Need help with problem by elvasoshexai
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by elvasoshexai
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