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qsopt_ex



The NEOS Server offers QSopt_EX for the exact solution of linear programming problems.

QSopt_EX was written by Daniel Espinoza. William J. Cook. Sanjeeb Dash. and David Applegate,

Source code and documentation are available from the QSopt-Exact homepage

This solver was implemented by Hans Mittelmann and executes at


Using the NEOS Server for QSopt_EX

The user must submit an LP problem with either rational or real data in either this MPS or this LP format or in AMPL. Note that this QSopt_EX installation runs with default options; the solver can only handle integer variables in very small instances.

Web Submission Form
QSopt_EX data (MPS format file)
Enter the complete path to the MPS file
QSopt_EX data (LP format file)
Enter the complete path to the LP file
AMPL model
Enter the complete path to the AMPL model file (linear, minimization, no commands, no "end")
AMPL data
Enter the complete path to the AMPL data file (optional, no commands)
Problem type
Is the problem an LP or a MIP?
lp
mip
Input data format
Are data real or rational/integer?
real
rational/integer
Comments
Additional Settings
Dry run: generate job XML instead of submitting it to NEOS
Short Priority: submit to higher priority queue with maximum CPU time of 5 minutes
E-Mail address:
Please do not click the 'Submit to NEOS' button more than once.