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RUNNING THE L-BFGS-B CODE
it = iteration number
nf = number of function evaluations
nseg = number of segments explored during the Cauchy search
nact = number of active bounds at the generalized Cauchy point
sub = manner in which the subspace minimization terminated:
con = converged, bnd = a bound was reached
itls = number of iterations performed in the line search
stepl = step length used
tstep = norm of the displacement (total step)
projg = norm of the projected gradient
f = function value
* * *
Machine precision = 2.220D-16
N = 25 M = 5
it nf nseg nact sub itls stepl tstep projg f
0 1 - - - - - - 1.030D+02 3.460D+03
1 5 25 24 --- 3 1.2D-02 4.2D+00 6.507D+01 2.398D+03
2 6 1 0 con 0 1.0D+00 4.2D+00 3.640D+01 1.438D+02
3 7 1 0 con 0 1.0D+00 6.8D-01 2.290D+01 7.282D+01
4 8 1 0 con 0 1.0D+00 1.1D+00 6.954D+00 1.603D+01
5 9 1 0 con 0 1.0D+00 6.5D-01 9.055D+00 5.187D+00
6 10 1 0 bnd 0 1.0D+00 6.1D-01 1.967D+01 2.127D+00
7 11 1 0 bnd 0 1.0D+00 1.8D-01 2.128D+00 2.076D-01
8 12 1 0 bnd 0 1.0D+00 9.0D-02 8.325D-01 5.327D-02
9 13 1 0 bnd 0 1.0D+00 5.3D-02 4.279D-01 1.305D-02
10 14 1 1 bnd 0 1.0D+00 2.5D-02 2.008D-01 3.860D-03
11 15 1 2 bnd 0 1.0D+00 2.0D-02 1.377D-01 7.457D-04
12 16 1 0 bnd 0 1.0D+00 7.8D-03 1.213D-01 3.540D-04
13 17 1 2 con 0 1.0D+00 3.1D-03 2.978D-02 7.425D-05
14 18 1 0 con 0 1.0D+00 1.1D-03 1.727D-02 3.741D-05
15 19 1 0 con 0 1.0D+00 2.1D-03 2.868D-02 1.098D-05
16 21 1 0 con 1 4.6D-01 4.8D-04 8.081D-03 3.908D-06
17 22 1 0 con 0 1.0D+00 2.2D-04 3.476D-03 1.995D-06
18 23 1 0 con 0 1.0D+00 2.2D-04 2.253D-03 8.258D-07
19 24 1 0 con 0 1.0D+00 2.4D-04 1.458D-03 1.992D-07
20 25 1 0 con 0 1.0D+00 1.8D-04 1.482D-03 5.758D-08
21 26 1 0 con 0 1.0D+00 6.8D-05 5.443D-04 1.463D-08
22 27 1 0 con 0 1.0D+00 2.3D-05 2.252D-04 2.363D-09
23 28 1 0 con 0 1.0D+00 8.0D-06 1.721D-04 1.083D-09
CONVERGENCE: REL_REDUCTION_OF_F_<=_FACTR*EPSMCH
Total User time 3.337E-03 seconds.
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