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 (6294)
Replies Last Post Views
[AMPL 2150] variable number of variables by x-22
2
by x-10
[AMPL 2362] why is binary variable not a binary? by Nosper
1
by Robert Fourer-2
[AMPL 2359] Recall key for AMPL in Linux by bwmoore22
1
by Nosper
[AMPL 2360] AMPL Repeat Process by tamingsari83
0
by tamingsari83
repeat process by tamingsari83
0
by tamingsari83
[AMPL 2352] branch and bound algorithm in AMPL by rami_asad_80
2
by Ali Baharev
[AMPL 2351] partial results by hessam-4
3
by Eli Olinick
[AMPL 2350] a syntax error by mah-5
1
by Paul A. Rubin
[AMPL 2349] How can I solve a large-scale stochastic programming model efficiently? by Eric-105
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by Eric-105
[AMPL 2347] Solve time for AMPL with CPLEX by zebra-2
1
by Hans Mittelmann
[AMPL 2340] AMPL test problems? by edadk
2
by Hans Mittelmann
[AMPL 2344] Need help: impossible deduced bounds: lower = 142, upper = 0 by k.kaybee@googlemail....
1
by Robert Fourer-2
[AMPL 2342] Database Access by shawwash
1
by nicolas.omont_google
[AMPL 2332] function declaration by x-10
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by Robert Fourer-2
[AMPL 2327] Rare error by seco-2
2
by Fernando Traub
[AMPL 2320] Integer Infeasibility by MD NOOR E ALAM .
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by MD NOOR E ALAM .
[AMPL 2329] two conditions in one if loop by Marc-139
2
by Robert Fourer-2
[AMPL 2313] How can I prevent AMPL from transforming my problem? by Ali Baharev
7
by Ali Baharev
[AMPL 2311] Problem obtaining duals... by Kaan-2
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by Kaan-2
[AMPL 2292] How to save and load every iteration in Benders decomposition? by marcin.sieg
2
by Robert Fourer-2
[AMPL 2282] Significant performance gain when using 64-bit AMPL ? by marcin.sieg
3
by marcin.sieg
[AMPL 2308] FW: profe desaparecido 25 feb-2009.. univalle. autonoma de occidente by damoft
0
by damoft
[AMPL 2305] Error: ignoring integrality by Saber Jalilzadeh-Gal...
1
by Paul A. Rubin
[AMPL 2303] Error by mah-5
1
by Paul A. Rubin
[AMPL 2301] SNOPT and MINOS solver message by k.kaybee@googlemail....
1
by Michael Saunders-3
[AMPL 2281] undefined by zebra-2
3
by zebra-2
[AMPL 2289] Using old CPLEX (version 9) with new AMPL (version 11.21) by hessam-4
3
by Hans Mittelmann
[AMPL 2287] representing arc and node in a decomposition technique by enhany75
2
by enhany75
[AMPL 2291] if statement in equality constraints by mah-5
1
by Robert Fourer-2
[AMPL 2277] AMPL vs. GAMS on radiotherapy treatment planning by cy-5
1
by Robert Fourer-2
[AMPL 2292] AMPL constraint problem by acast
1
by Paul A. Rubin
[AMPL 2288] can any one please tell me whats the fault in this model. by opus
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by opus
[AMPL 2261] Ampl Rounding by curtis.gadd
1
by Robert Fourer-2
[AMPL 2259] infeasible problem due to constraints by k.kaybee@googlemail....
3
by Michael Saunders-3
[AMPL 2271] Re: An error in FOR loop by Saber Jalilzadeh-Gal...
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by Saber Jalilzadeh-Gal...
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