| alpha | stopping parameter for the Newton/Trust Region method
in the inner loop |
1.0E-1 |
| alphaupd | update stopping criterion for newton |
1.0E0 |
| autoini |
automatic initialization of multipliers 0 ... no 1 ... general nonconvex problems 2 ... recommended for convex problems |
1 |
| autoscale |
automatic scaling |
0 |
| cgtolmin |
minimum tolerance for conjugate gradient algorithm |
1.0e-4 |
| cgtolup |
update ot tolerance for conjugate gradient algorithm | 1.0 |
| cmaxnzs | tuning parameter for hessian assembling for 'nwtmode' <0 ... off >0 ... on |
-1 |
| convex | convex problem? 0 ... generally nonconvex 1 ... convex |
0 |
| eqltymode |
equality handling 0 ... as two ineqequalities (unsymmetric) 1 ... as two inequalities (symmetric) 2 ... by augmented lagrangian 3 ... directly 4 ... directly (nonlinear cosntraints only) |
3 |
| filerep |
output to file 0 ... no 1 ... yes |
0 |
| hessianmode | check density of the Hessian 0 ... automatic 1 ... dense |
0 |
| ignoreinit | ignore initial
solutions 0 ... do not ignore 1 ... do ignore |
0 |
| kktscale |
equilibrate linear system matrix 0 ... no 1 ... yes |
0 |
| maxit | maximum number of outer iterations | 200 |
| mu | restriction factor of multiplier update | 0.5 |
| ncmode | nonconvex mode 0 ... Modified Newton 1 ... Trust Region |
0 |
| nwtiters | maximum number of iterations in the inner loop (Newton or Trust Region method) | 100 |
| nwtstopcrit | stopping criterium for the
inner loop (Newton/TR) 0 ... ||grad L(xk+1)||2 < alpha 1 ... ||grad L(xk+1)||2 < alpha * f(x0) 2 ... ||grad L(xk+1)||H-1< alpha * ||grad L(xk)||H-1 |
0 |
| objno | objective number in the AMPL .mod file | 1 |
| ordering |
ordering for MA57 |
4 |
| outlev | output level 0 ... silent mode 1 ... brief output 2 ... full output |
1 |
| penalty | penalty function 0 ... logarithmic barrier + quadratic penalty 1 ... reciprocal barrier |
0 |
| penup | penalty update | 0.5 |
| peps | minimal penalty | 1.0E-7 |
| pinit | initial penalty | 1.0E0 |
| pivtol |
pivot tolerance for KKT solver |
1.0E-2 |
| precision | required final precision | 1.0E-7 |
| preckkt |
precision for KKT conditions |
1.0E-5 |
| precond |
preconditioning 0 ... no 1 ... diagonal 2 ... LBFGS |
0 |
| timing | timing destination 0 ... no 1 ... stdout 2 ... stderr 3 ... both |
0 |
| uinit | initial multiplier scaling factor | 1.0 |
| uinitbox |
initial multiplier scaling factor (box constraints) |
1.0 |
| uinitnc |
initial multiplier scaling factor (nonconvex constraints) |
1.0 |
| umin | minimal multiplier | 1.0E-10 |
| usebarrier |
use (modified) barrier approach for boxes? 0 ...no=0, 1 ... barrier=1 2 ... strict mod. barrier |
0 |
| version | report version 0 ... yes 1 ... no |
0 |
| wantsol | solution report without -AMPL. Sum of 0 ... do not write .sol file 1 ... write .sol file 2 ... print primal variable 4 ... print dual variable 8 ... do not print solution message |
0 |