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This file lists a few website where more AMPL models can be
downloaded. Not all of those problems are small enough to be used
with the AMPL student version.
Bob Vanderbei's collection:
http://www.orfe.princeton.edu/~rvdb/ampl/nlmodels/index.html
This incluhes the complete Hock-Schittkowski suite:
http://www.orfe.princeton.edu/~rvdb/ampl/nlmodels/hs/index.html
The COPS test problems:
http://www.mcs.anl.gov/~more/cops/
The default sizes are too large for the AMPL Student Solver version.
However, in many cases you can reduce the problem size by editing
the *.par1 parameter data files.
Some nice engineering examples implemented by Dieter Kraft
http://www.lrz-muenchen.de/~dkraft/
Look the the "Research" section, there are links to four AMPL models
(some with separate data files).
If you know of more interesting example models, please send a message
to the Ipopt mailing list and an entry will be added here.
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