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Table 20: Prob.DUNDEE.optPar values used by TOMLAB /MINLP solvers . −999 in any element gives
default value.
Name
Default
Description
1
iprint
0
Print level in DUNDEE solvers.
O
O
O
O
2
tol
10−10
Relative accuracy in BQPD solution.
O
O
O
O
3
emin
1
1/0: Use/do not use constraint scaling in BQPD
O
O
O
O
O
O
O
O
O
O
O
O
10−4
BQPD
Used by:
miqpBB filterSQP
Index
minlpBB
4
sgnf
5·
5
nrep
2
Maximum relative error in two numbers equal in
exact arithmetic.
Maximum number of refinement steps.
6
npiv
3
No repeat of more than npiv steps were taken.
O
O
O
O
7
nres
2
Maximum number of restarts if unsuccessful.
O
O
O
O
8
nfreq
500
Maximum interval between refactorizations.
O
O
O
O
9
ubd
100
Constraint violation parameter I
-
-
O
O
10
tt
0.125
Constraint violation parameter II
-
-
O
O
NLP eps
10−6
Relative tolerance for NLP solutions
-
-
O
O
12
epsilon
10−6
Accuracy for x tests
O
O
O
O
13
MIopttol
10−4
Accuracy for f tests
-
O
-
O
14
fIP
1020
Upper bound on the IP value wanted.
-
O
-
O
15
timing
0
1/0: Use/do not use timing
-
O
-
-
16
max time
4000
Maximum time (sec’s) allowed for the run
-
O
-
-
11
17
branchtype
1
Branching strategy (1, 2, 3)
-
O
-
-
18
ifsFirst
0
Exit when first IP solution is found
-
O
-
-
19
infty
1020
Large value used to represent infinity
O
O
O
O
20
Nonlin
0
Treat all constraints as nonlinear if 1
-
-
O
O
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