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 (6292)
Replies Last Post Views
[AMPL 18792] AMPL IDE logging by Víctor Mario Noble R...
1
by ansuman28
[AMPL 18475] Demande d'aide pour résoudre mon problème by Sekou Diaby
29
by AMPL mailing list
[AMPL 18773] Exception in Summation and Indexing of Parameter by Vivek Patle
3
by AMPL mailing list
[AMPL 18760] Solving problem in AMPL by Sarah Wensing
10
by Sarah Wensing
[AMPL 18794] Error for already defining a set by mohammad faghihi
0
by mohammad faghihi
[AMPL 18786] Different AMPL results using different computers by Hero One
3
by AMPL mailing list
[AMPL 18773] Understanding Couenne output by Paloma Auladell
1
by pietro belotti
[AMPL 6592] HOW TO LINEARIZE PRODUCT OF TWO CONTINUOUS VARIABLE by hesam eivazy
3
by AMPL mailing list
[AMPL 18769] Re: Help on How to Plot Figures Using MatLab AMPL API by Richard
1
by AMPL mailing list
[AMPL 18450] Baron exitcode 18446744072635809797 by Alba Victoria
14
by AMPL mailing list
[AMPL 16548] Error when trying to change the directory by R Reddy
19
by Philippe
[AMPL 18728] AMPL IDE v.s API by Zoro Roronoa
6
by AMPL mailing list
[AMPL 18760] Solving Problem by Sarah Wensing
0
by Sarah Wensing
[AMPL 18731] Looping in model/run file by rushisheth2011
2
by rushisheth2011
[AMPL 18753] Why I get the wrong answer? by Naghmeh Shahverdi
2
by AMPL mailing list
[AMPL 18749] non linear objective function by Naghmeh Shahverdi
1
by AMPL mailing list
[AMPL 18746] Req to solve my problem (new user) by anuruck.chin
1
by AMPL mailing list
[AMPL 18746] Terminal clearing by Marius Roland
1
by AMPL mailing list
[AMPL 18717] Question by 葛雨函
5
by AMPL mailing list
[AMPL 18572] component-wise matrix multiplication and unit sign function by Mohannad Alhazmi
4
by AMPL mailing list
[AMPL 18725] MIN Linearization by stevebar258
2
by stevebar258
[AMPL 18727] how I can seperate negative and positive variables? by Naghmeh Shahverdi
1
by AMPL mailing list
[AMPL 18713] question by Naghmeh Shahverdi Za...
3
by AMPL mailing list
[AMPL 18715] how we can initial a set A within B cross c for a 3 dimension parametr? by Naghmeh Shahverdi
1
by AMPL mailing list
[AMPL 18712] If condition in ampl by Naghmeh Shahverdi
1
by AMPL mailing list
[AMPL 18704] Multidimensional variable by Vivek Patle
2
by Vivek Patle
[AMPL 18237] snopt infinite loop by picojeff-2
6
by AMPL mailing list
[AMPL 18706] CPU time or other performance measures in CPLEX 12.8.0 by Lisa
1
by AMPL mailing list
[AMPL 18706] CPU time or other performance measures in CPLEX 12.8.0 by Lisa
0
by Lisa
[AMPL 18697] Summing rows based on column values by kevin n.
2
by kevin n.
[AMPL 11074] Guidelines for using the AMPL Matlab API in parallel? by atorgovitsky (Bugzil...
26
by Malcolm Bean
[AMPL 18688] ampl killed: 9 by Jun Wong
4
by Jun Wong
[AMPL 18692] Re: Network Graph Display/ Visualisation in AMPL by Richard
1
by AMPL mailing list
[AMPL 18688] Run two separate data sets in one run/mod file by ayoumans
1
by AMPL mailing list
[AMPL 18667] AMPL Wagner Within Problem, modell is not running. Can some someone help me? by Tim
4
by Tim
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