AMPL Modeling Language

This is 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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Showing 1-20 of 4035 topics
Correlation matrix / Risk minimizing objective function yasmine zakari 4/29/16
AMPL API Unrecognized license format Lorenzo Magnolfi 4/29/16
Issues with Parampl Installation Lorenzo Magnolfi 4/29/16
help re-formulating a logical constraint james.co...@gmail.com 4/28/16
AMPL API issue Maxwell Harris 4/27/16
too much memory used/ no optimization happen Nardine Basta 4/27/16
Evaluating CDF values in AMPL shu...@gmail.com 4/27/16
how does AMPL number constraints? arr...@gmail.com 4/26/16
How to write the following simple equations arr...@gmail.com 4/26/16
Set over set Vlad Mar 4/25/16
calculating mean and standard deviation Gazi Md Daud Iqbal 4/24/16
How to read a table with dynamic numbers of rows and columns arr...@gmail.com 4/23/16
CPLEX options life range arr...@gmail.com 4/22/16
RE: [AMPL 11859] Multiplying and summing a column from a matrix with another column Robert Fourer 4/22/16
Lexicographic optimization in integer programming Val 4/22/16
RE: [AMPL 11860] IPOPT says it is infeasible while it seems not Robert Fourer 4/22/16
Formulation of variable dependent outage scenarios GONZALO ANDRES Ramirez 4/22/16
syntax error Rupsana Parveen 4/20/16
Using MPS file Cheng-Lung Chen 4/20/16
How to define a parameter x(t)=an element from a set charis ntakolia 4/20/16
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