The NEOS Server offers XPRESS-MP, from Dash Associates, for the
solution of linear programming problems that can be modeled in AMPL format.
Using the NEOS Server for XPRESS
The user must submit a model in
format to solve a nonlinearly constrained optimization problem.
Examples of models in AMPL format can be found in the
The model is specified by a model file, and optionally,
a data file and a commands file.
If the command file is specified it must contain
the AMPL solve command.
The commands file can contain any AMPL command.
Printing directed to standard out is returned
to the user with the output.
For information on Dash products and services, contact them at one of
the following addresses:
Northants NN7 3BX
Phone: +44 (0) 1604 858 993
Fax: +44 (0) 1604 858 147
560 Sylvan Avenue
Englewood Cliffs, New Jersey 07632
Phone: (201) 313-5297
Fax: (201) 313-5299
An email address is required for any submissions
to XPRESS solvers. This email address will be forwarded to Dash Associates
and may be used by Dash Optimization for promotional purposes.
Enter the location of the ampl model (local file)
Enter the location of the ampl data file (local file)
Enter the location of the ampl commands file (local file)
Dry run: generate job XML instead of submitting it to NEOS
Short Priority: submit to higher priority queue with maximum CPU time of 5
Please do not click the 'Submit to NEOS' button more than once.