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 (6139)
Replies Last Post Views
[AMPL 2411] problem summing over three sets by k.kaybee@googlemail....
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by Robert Fourer-2
[AMPL 2410] Explicit pivoting by stefano.coniglio
1
by Robert Fourer-2
problem in running AMPL by Yasin053
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by Robert Fourer-2
[AMPL 2409] Can i create a Matrix and Use in the Model? by vidit
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by vidit
[AMPL 2400] How can I get information from .mod files by zhyi100@gmail.com
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by zhyi100@gmail.com
[AMPL 2392] Syntex error in "Let" by Saber Jalilzadeh-Gal...
5
by Saber Jalilzadeh-Gal...
array entries in the data file by Yasin053
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by Saber Jalilzadeh-Gal...
[AMPL 2397] Running time by Saber Jalilzadeh-Gal...
0
by Saber Jalilzadeh-Gal...
adding conditions while defining a set by Yasin053
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by Saber Jalilzadeh-Gal...
[AMPL 2391] command-line history for AMPL (and other programs) by David M. Gay-2
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by David M. Gay-2
ampl problem by imostfu
2
by Malak-2
[AMPL 2372] looking for metaheuristic solvers for AMPL by cy-5
6
by cy-5
[AMPL 2386] Cannot write a table to Excel 2007 by barry.e.king
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by barry.e.king
[AMPL 2374] ampl/cplex error - integer infeasible by CW-13
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by CW-13
running time for AMPL+CPLEX by wanjun
1
by Robert Fourer-2
[AMPL 2382] can index used as parameter by patrick.lijian
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by patrick.lijian
ampl by nargeshaghi
1
by Robert Fourer-2
[AMPL 2368] Declaring a variable conditional on other variables by Benjamin Phillips
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by Robert Fourer-2
[AMPL 2367] indexing with variable by x-10
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by x-10
[AMPL 2365] ampl by Fouzi Chahr Eddine
1
by Ali Baharev
[AMPL 2150] variable number of variables by x-22
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by x-10
[AMPL 2362] why is binary variable not a binary? by Nosper
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by Robert Fourer-2
[AMPL 2359] Recall key for AMPL in Linux by bwmoore22
1
by Nosper
[AMPL 2360] AMPL Repeat Process by tamingsari83
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by tamingsari83
repeat process by tamingsari83
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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
0
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
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by Hans Mittelmann
[AMPL 2344] Need help: impossible deduced bounds: lower = 142, upper = 0 by k.kaybee@googlemail....
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by Robert Fourer-2
[AMPL 2342] Database Access by shawwash
1
by nicolas.omont_google
[AMPL 2332] function declaration by x-10
2
by Robert Fourer-2
[AMPL 2327] Rare error by seco-2
2
by Fernando Traub
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