lp_solve [options] [[<]input_file]
List of options:
-h prints this message
-v <level> verbose mode, gives flow through the program.
if level not provided (-v) then -v4 (NORMAL) is taken.
-v3: IMPORTANT (default)
-d debug mode, all intermediate results are printed,
and the branch-and-bound decisions
-p print the values of the dual variables
-b <bound> specify a lower bound for the objective function
to the program. If close enough, may speed up the
-i print all intermediate valid solutions.
Can give you useful solutions even if the total run time
is too long
-e <number> specifies the epsilon which is used to determine whether a
floating point number is in fact an integer.
Should be < 0.5
-g <number> specifies the MIP gap for branch-and-bound.
This specifies the allowed tolerance on the object function.
Can result in faster solving times.
-f specifies that branch-and-bound algorithm stops at first found
-o <value> specifies that branch-and-bound algorithm stops when objective
value is better than value
-c during branch-and-bound, take the ceiling branch first
-ca during branch-and-bound, the algorithm chooses branch
-B <rule> specify branch-and-bound rule
-B0: Select Lowest indexed non-integer column (default)
-B1: Select Random non-integer column
-B2: Select Largest deviation from an integer value
-B3: Select Best ???
-B4: Select Median value deviation from an integer value
-B5: Select Greedy ???
-piv <rule> specify simplex pivot rule
-piv0: Select first
-piv3: Select most negative (default)
-piv5: Select greedy
-s <mode> use automatic problem scaling.
-s0: Numerical range-based scaling
-s1: Geometric scaling
-s2: Curtis-reid scaling
-sp also do power scaling.
-sl also do Lagrange scaling.
-si also do Integer scaling.
-I print info after re-inverting
-t trace pivot selection
-lp read from LP file (default)
-mps read from MPS file
-degen use perturbations to reduce degeneracy,
can increase numerical instability
-trej <Trej> set minimum pivot value
-epsd <epsd> set minimum tolerance for reduced costs
-epsb <epsb> set minimum tolerance for the RHS
-epsel <epsel> set tolerance
-parse_only parse input file but do not calculate (i.e. check)
-presolve presolve problem before start optimising
-improve <level> iterative improvement level
-improve0: none (default)
-improve1: FTRAN only
-improve2: BTRAN only
-improve3: FTRAN + BTRAN
-time Print CPU time to parse input and to calculate result.
-timeout <sec> Timeout after sec seconds when not solution found.
-timeoutok If timeout, take the best yet found solution.
-min Minimize the lp problem (overrules setting in file)
-max Maximize the lp problem (overrules setting in file)
-S <detail> Print solution. If detail omitted, then -S2 is used.
-S0: Print nothing
-S1: Only objective value
-S2: Obj value+variables (default)
-S3: Obj value+variables+constraints
-S4: Obj value+variables+constraints+duals
-S5: Obj value+variables+constraints+duals+lp model
-S6: Obj value+variables+constraints+duals+lp model+lp scales