ppl_lpsol - Man Page
a PPL-based mixed integer programming problem solver
Synopsis
ppl_lpsol [OPTION]... [FILE]
Description
Reads a file in MPS format and attempts solution using the optimization algorithms provided by the PPL.
See the GNU Linear Programming Kit: Reference Manual (Version 4.31) for information on the MPS format.
Options
- -c, --check[=THRESHOLD] checks the obtained results using GLPK;
optima are checked with a tolerance of THRESHOLD (default 1e-09); input data are also perturbed the same way as GLPK does
- -i, --incremental
solves the problem incrementally
- -m, --min
minimizes the objective function
- -M, --max
maximizes the objective function (default)
- -n, --no-optimization
checks for satisfiability only
- -r, --no-mip
consider integer variables as real variables
- -CSECS, --max-cpu=SECS
limits CPU usage to SECS seconds
- -RMB, --max-memory=MB
limits memory usage to MB megabytes
- -h, --help
prints this help text to stdout
- -oPATH, --output=PATH
appends output to PATH
- -e, --enumerate
use the (expensive!) enumeration method
- -pM, --pricing=M
use pricing method M for simplex (assumes -s); M is an int from 0 to 2, default 0: 0 --> steepest-edge using floating point 1 --> steepest-edge using exact arithmetic 2 --> textbook
- -s, --simplex
use the simplex method
- -t, --timings
prints timings to stderr
- -v, --verbosity=LEVEL
sets verbosity level (from 0 to 4, default 3): 0 --> quiet: no output except for errors and
explicitly required notifications
1 --> solver state only 2 --> state + optimal value 3 --> state + optimal value + optimum location 4 --> lots of output
- -V, --version
prints version information to stdout
Availability
The latest version of the Parma Polyhedra Library and all the documentation is available at http://bugseng.com/products/ppl/ .
Notes
The options -CSECS (--max-cpu=SECS) and -t (--timings) are not available on some platforms.
Author
See the file CREDITS in the source distribution or use the command ppl-config --credits for a list of contributors.
Copyright
Copyright (C) 2001-2010 Roberto Bagnara <bagnara@cs.unipr.it> Copyright (C) 2010-2016 BUGSENG srl (http://bugseng.com)
This is free software; see the file COPYING in the source distribution or use the command ppl-config --copying to obtain the copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See Also
Andrew Makhorin. GNU Linear Programming Kit: Reference Manual (Version 4.31).