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 4293 topics
Trouble with Matlab API getData Malcolm Bean 11:26 PM
Set Indexing cajimen0 1:11 PM
algorithm; defining indices and initializing variables 11:54 AM
detecting multiple LP solutions 10/20/16
Guidelines for using the AMPL Matlab API in parallel? at 10/20/16
nested For Alessandro Oscar Gilardino Arias 10/20/16
error "line 34 :"demandNc is already defined" Tingting 10/20/16
Error in CPLEX Johanna Amaya 10/20/16
Piecewise linear function that does not pass through the origin. Krishnendranath Mitra 10/19/16
Min function 10/19/16
how to seperate a long line of ampl code into 2 short lines Tingting 10/19/16
Parfor with dataframes and AMPL structures 10/19/16
Forward Feed Neural Network implemented in AMPL 10/18/16
Forward feed neural network implemented in AMPL 10/17/16
set default value for param read from a file aymi 10/17/16
Conditional constraint Derek Paquet 10/17/16
ampl-gurobi warning 10/14/16
Who can help me explain this? Yiyong Xiao 10/14/16
RE: [AMPL 12732] Rounding to nearest whole problem Robert Fourer 10/14/16
missing items and expected number problems Derek Paquet 10/14/16
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