other versions
- unstable 7.0.0+dfsg-2
- experimental 7.0.0+dfsg-1
SOPLEX(1) | SOPLEX(1) |
NAME¶
soplex - solve linear programming problems
SYNOPSIS¶
soplex |
[options] lpfile |
OPTIONS¶
- lpfile
- linear program as .mps[.gz] or .lp[.gz] file.
General options¶
- --readbas=basfile
- read starting basis from file
- --writebas=basfile
- write terminal basis to file
- --writefile=lpfile
- write LP to file in LP or MPS format depending on extension
- --writedual=lpfile
- write the dual LP to a file in LP or MPS format depending on extension
- --type:name=val
- change parameter value using syntax of settings file entries
- --loadset=setfile
- load parameters from settings file (overrules by command line parameters)
- --saveset=setfile
- save parameters to settings file
- --diffset=setfile
- save modified parameters to settings file
- --extsol=value
- external solution for soplex to use for validation
Limits and tolerances¶
Algorithmic settings¶
Default settings are marked with *
- --readmode=value
- choose reading mode for lpfile (0* - floating point, 1 - rational)
- --solvemode=value
- choose solving mode (0 - floating-point solve, 1* - auto, 2 - force iterative refinement)
- --arithmetic=value
- choose base arithmetic type (0 - double, 1 - quadprecision, 2 - higher multiprecision)
- --precision=value
- choose precision for multiprecision solve (only active when arithmetic=2, possible values are 50, 100, and 200)
- -svalue
- choose simplifier/presolver (0 - off, 1* - internal)
- -gvalue
- choose scaling (0 - off, 1 - uni-equilibrium, 2* - bi-equilibrium, 3 - geometric, 4 - iterated geometrix, 5 - least squares, 6 - geometric-equilibrium)
- -pvalue
- choose pricing (0* - auto, 1 - dantzig, 2 - parmult, 3 - devex, 4 - quicksteep, 5 - steep)
- -rvalue
- choose ratio tester (0 - textbook, 1 - harris, 2 - fast, 3* - boundflipping)
Display options¶
- -vlevel
- set verbosity to level (0 - error, 3 - normal, 5 - high)
- -x
- print primal solution
- -y
- print dual multipliers
- -X
- print primal solution in rational numbers
- -Y
- print dual multipliers in rational numbers
- -q
- display detailed statistics
- -c
- perform final check of optimal solution in original problem
6.0 |