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 (6026)
Replies Last Post Views
[AMPL 17383] Technical Inquery by Nico Tiantian
1
by AMPL mailing list
[AMPL 17368] Computation time - Inventory Routing Problem by KristianU
3
by AMPL mailing list
[AMPL 17375] Changing data inside a loop for same model + command fix or relax. by Michael David de Sou...
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by AMPL mailing list
[AMPL 17373] selection of the model to be solved by Michael David de Sou...
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by Michael David de Sou...
[AMPL 17370] Reusing Large Model by Malcolm Bean
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by AMPL mailing list
[AMPL 17162] Variable based condition in a constraint - is there a workaround? by lothar.loewer
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by AMPL mailing list
[AMPL 17369] Computation time - Inventory Routing by KristianU
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by KristianU
[AMPL 7156] Error executing "solve" command: can't open /var/.../xyz.sol by Aruna Prem
6
by AMPL mailing list
[AMPL 17359] AMPL results are all zero by earena
1
by AMPL mailing list
[AMPL 17356] step function in continuous variables by Alan Heirich
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by AMPL mailing list
[AMPL 17353] Maximizing X1 within Constraints by zekassem
1
by AMPL mailing list
[AMPL 17321] AMPL is taking too much time to process the data by hurbutun
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by hurbutun
[AMPL 17345] error code by Md Saiful Islam
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by AMPL mailing list
[AMPL 17307] SOCP constraint by chenier.emilie
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by chenier.emilie
[AMPL 17341] AMPL Syntax Error by zekassem
1
by AMPL mailing list
[AMPL 17338] Passing arguments to ampl data file by mayukh majumdar
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by mayukh majumdar
[AMPL 17310] Parameter change using for loop in AMPL-Python API. by dforce81
7
by AMPL mailing list
[AMPL 17321] Multiple conditional constraint by stockage.data.ga
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by AMPL mailing list
[AMPL 14387] Monte Carlo integration in AMPL by Cuicui Chen
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by AMPL mailing list
[AMPL 17318] can't write fraction in dat by yishuang Chen
1
by AMPL mailing list
[AMPL 17316] Problem with logical constraints by stockage.data.ga
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by AMPL mailing list
[AMPL 3492] Weird behavior: "CPLEX solution status 3 with fixed integers" by tonypap
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by AMPL mailing list
[AMPL 17318] by CELIA HERNANDO ORBE
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by AMPL mailing list
[AMPL 17290] having a problem to get a free licenses for AIMMS by Eric E S├Ąttar
1
by Sales
[AMPL 17316] Problem with conditional constraint by stockage.data.ga
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by stockage.data.ga
[AMPL 17310] Parameter changes using for loop in order to iterate the AMPL model in Python. by dforce81
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by dforce81
[AMPL 17263] Problem in defining an "if-constraint" by Chris_Bonn
3
by AMPL mailing list
[AMPL 17291] How to set Baron Starting Point? by Yang Yu
1
by AMPL mailing list
[AMPL 17297] Reading data from text file by Md Saiful Islam
4
by Md Saiful Islam
[AMPL 17296] Display isn't working (need a bit of help) by JL
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by JL
[AMPL 17288] How can I display the results of a suboptimal, but still feasible, iteration? by peinadoguerrero11
3
by AMPL mailing list
[AMPL 17286] Efficient way to identify infeasible constraints in BARON AMPL by danhu
1
by AMPL mailing list
[AMPL 17281] Execution time of solve command by Ilyes Mezghani
1
by AMPL mailing list
[AMPL 17287] Java With Actimize (Sr. Developer / Lead Developer) Hands-On by Nitya Recruiter-3
0
by Nitya Recruiter-3
[AMPL 17268] measuring feasibility error by Mostafa Shamsi
3
by AMPL mailing list
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