BPMPD Options in AMPL
bargrow barrier growth bound
barmin min. barrier threshold
barset barrier setup limit
bigbound limit on finite bounds and ranges
center centrality force
complimit improve if compl. < complim
comppar improve if compl. < comppar * avg. compl.
corstop correction stop factor
densgap density gap param
denslen nonzeros in "dense" columns
dinfs min. dual infeas. reduction
dslacklim dual slack variable limit
dudare max. dual steplength
dumin min. initial slack value
feas1 abs. primal feas. tol.
feas2 abs. dual feas. tol.
inftol
inibarr use initial barrier param.
lam minimum value of lambda
maxccorr number of maximum corrections
maxcorr number of max. corrections
maxdense max. dense column rate
maxiter iteration limit
maxref max. refinements
maxsnz max. nonzeros in one supernode
memadd increment (default 0) for scratch array len
memfac factor (default 2) for scratch array len
minccorr number of minimum corrections
mincorr number of min. corrections
mindiff min. norm diff. to exit scaling
minmax 1 = minimize, -1 = maximize
objno objective number: 0 = none, 1 (default) = first
objnorm scale objective maxnorm to this value
ordering 1 = min.deg., 2 (dflt) = min. fill, 3 = min. fill. in aug. sys.
outlev 1 = print iteration summary, etc.
parfile name of BPMPD parameter file to read now
pinfs min. primal infeas. reduction
prdare max. primal steplength
presolv presolve methods: default = 511 (all but extended dual test)
prmin min. initial variable value
psupnode primary supernode length
regularize 1 = introduce dummy ranges
rhsnorm scale RHS maxnorm to this value
safemet safe method (1, 2, or 3); default -3
scfree
setlam 0 = dflt; 1, -1 = alt. values
slackadd
smethod starting method (1 or 2)
smethod1 scaling method before aggregator
smethod2 scaling method after aggregator
spasses1 max. passes (< 128) before aggregator
spasses2 max. passes (< 128) after aggregator
ssupnode secondary supernode length
stopcor correction stop par.
supdens super-dense column length
tabs abs. pivot tol. in first factorization
target trial steplength improvement
tfeas1 rel. primal feas. tol.
tfeas2 rel. dual feas. tol.
tfind pivot search loop count
tfixslack slack reset param.
tfixvar variable reset param.
tlarge large complementarity bound
topt1 rel. duality gap tol.
topt2 avg. complementarity gap tol.
tpiv1 first threshold pivot tol.
tpiv2 second threshold pivot tol.
tplus rel. addition tol.
trabs abs. pivot tol. during the algorithm
tresx primal residual tol.
tresy dual residual tol.
tsdir search dir. max. norm tol.
tsmall small complementarity bound
tzer rel. zero tol.
upmax max. initial variable value
varadd
wantsol solution report without -AMPL: sum of
1 ==> write .sol file
2 ==> print primal variable values
4 ==> print dual variable values
8 ==> do not print solution message