     Solving sample problem (Rosenbrock test fcn).
      (f = 0.0 at the optimal solution.)
           * * *
        RUNNING THE L-BFGS-B CODE
           * * *
Machine precision = 2.22e-16
 N =         25
 M =          5
At X0, 0 variables are exactly at the bounds
At iterate     0, f(x)= 3.46e+03, ||proj grad||_infty = 1.03e+02
At iterate     1, f(x)= 2.397690e+03, ||proj grad||_infty = 6.506999e+01
Iterate     1  nfg =    5   f = 2.397690e+03   |proj g| = 6.506999e+01
At iterate     2, f(x)= 1.438056e+02, ||proj grad||_infty = 3.640391e+01
Iterate     2  nfg =    6   f = 1.438056e+02   |proj g| = 3.640391e+01
At iterate     3, f(x)= 7.281608e+01, ||proj grad||_infty = 2.290423e+01
Iterate     3  nfg =    7   f = 7.281608e+01   |proj g| = 2.290423e+01
At iterate     4, f(x)= 1.603076e+01, ||proj grad||_infty = 6.954087e+00
Iterate     4  nfg =    8   f = 1.603076e+01   |proj g| = 6.954087e+00
At iterate     5, f(x)= 5.187248e+00, ||proj grad||_infty = 9.054805e+00
Iterate     5  nfg =    9   f = 5.187248e+00   |proj g| = 9.054805e+00
At iterate     6, f(x)= 2.127160e+00, ||proj grad||_infty = 1.967290e+01
Iterate     6  nfg =   10   f = 2.127160e+00   |proj g| = 1.967290e+01
At iterate     7, f(x)= 2.075683e-01, ||proj grad||_infty = 2.128494e+00
Iterate     7  nfg =   11   f = 2.075683e-01   |proj g| = 2.128494e+00
At iterate     8, f(x)= 5.327389e-02, ||proj grad||_infty = 8.324690e-01
Iterate     8  nfg =   12   f = 5.327389e-02   |proj g| = 8.324690e-01
At iterate     9, f(x)= 1.304501e-02, ||proj grad||_infty = 4.279260e-01
Iterate     9  nfg =   13   f = 1.304501e-02   |proj g| = 4.279260e-01
At iterate    10, f(x)= 3.860311e-03, ||proj grad||_infty = 2.008120e-01
Iterate    10  nfg =   14   f = 3.860311e-03   |proj g| = 2.008120e-01
At iterate    11, f(x)= 7.456532e-04, ||proj grad||_infty = 1.377226e-01
Iterate    11  nfg =   15   f = 7.456532e-04   |proj g| = 1.377226e-01
At iterate    12, f(x)= 3.540162e-04, ||proj grad||_infty = 1.212738e-01
Iterate    12  nfg =   16   f = 3.540162e-04   |proj g| = 1.212738e-01
At iterate    13, f(x)= 7.425114e-05, ||proj grad||_infty = 2.978144e-02
Iterate    13  nfg =   17   f = 7.425114e-05   |proj g| = 2.978144e-02
At iterate    14, f(x)= 3.740625e-05, ||proj grad||_infty = 1.727422e-02
Iterate    14  nfg =   18   f = 3.740625e-05   |proj g| = 1.727422e-02
At iterate    15, f(x)= 1.098318e-05, ||proj grad||_infty = 2.868147e-02
Iterate    15  nfg =   19   f = 1.098318e-05   |proj g| = 2.868147e-02
At iterate    16, f(x)= 3.907566e-06, ||proj grad||_infty = 8.080850e-03
Iterate    16  nfg =   21   f = 3.907566e-06   |proj g| = 8.080850e-03
At iterate    17, f(x)= 1.995017e-06, ||proj grad||_infty = 3.476480e-03
Iterate    17  nfg =   22   f = 1.995017e-06   |proj g| = 3.476480e-03
At iterate    18, f(x)= 8.257964e-07, ||proj grad||_infty = 2.252828e-03
Iterate    18  nfg =   23   f = 8.257964e-07   |proj g| = 2.252828e-03
At iterate    19, f(x)= 1.992236e-07, ||proj grad||_infty = 1.457727e-03
Iterate    19  nfg =   24   f = 1.992236e-07   |proj g| = 1.457727e-03
At iterate    20, f(x)= 5.757716e-08, ||proj grad||_infty = 1.482452e-03
Iterate    20  nfg =   25   f = 5.757716e-08   |proj g| = 1.482452e-03
At iterate    21, f(x)= 1.463259e-08, ||proj grad||_infty = 5.443041e-04
Iterate    21  nfg =   26   f = 1.463259e-08   |proj g| = 5.443041e-04
At iterate    22, f(x)= 2.363294e-09, ||proj grad||_infty = 2.252442e-04
Iterate    22  nfg =   27   f = 2.363294e-09   |proj g| = 2.252442e-04
At iterate    23, f(x)= 1.083490e-09, ||proj grad||_infty = 1.720523e-04
Iterate    23  nfg =   28   f = 1.083490e-09   |proj g| = 1.720523e-04
At iterate    24, f(x)= 3.490431e-10, ||proj grad||_infty = 5.788200e-05
Iterate    24  nfg =   29   f = 3.490431e-10   |proj g| = 5.788200e-05
At iterate    25, f(x)= 8.439979e-11, ||proj grad||_infty = 2.045044e-05
Iterate    25  nfg =   30   f = 8.439979e-11   |proj g| = 2.045044e-05
At iterate    26, f(x)= 2.298119e-11, ||proj grad||_infty = 1.748544e-05
Iterate    26  nfg =   31   f = 2.298119e-11   |proj g| = 1.748544e-05
At iterate    27, f(x)= 5.562375e-12, ||proj grad||_infty = 1.293486e-05
Iterate    27  nfg =   32   f = 5.562375e-12   |proj g| = 1.293486e-05
At iterate    28, f(x)= 6.170726e-13, ||proj grad||_infty = 3.523991e-06
Iterate    28  nfg =   33   f = 6.170726e-13   |proj g| = 3.523991e-06
At iterate    29, f(x)= 2.069201e-13, ||proj grad||_infty = 9.746531e-07
Iterate    29  nfg =   34   f = 2.069201e-13   |proj g| = 9.746531e-07
At iterate    30, f(x)= 1.079486e-13, ||proj grad||_infty = 6.844266e-07
Iterate    30  nfg =   35   f = 1.079486e-13   |proj g| = 6.844266e-07
At iterate    31, f(x)= 3.271995e-14, ||proj grad||_infty = 7.465233e-07
Iterate    31  nfg =   36   f = 3.271995e-14   |proj g| = 7.465233e-07
At iterate    32, f(x)= 2.203799e-14, ||proj grad||_infty = 6.325017e-07
Iterate    32  nfg =   38   f = 2.203799e-14   |proj g| = 6.325017e-07
At iterate    33, f(x)= 1.371887e-14, ||proj grad||_infty = 2.830638e-07
Iterate    33  nfg =   39   f = 1.371887e-14   |proj g| = 2.830638e-07
At iterate    34, f(x)= 8.063413e-15, ||proj grad||_infty = 1.255996e-07
Iterate    34  nfg =   40   f = 8.063413e-15   |proj g| = 1.255996e-07
At iterate    35, f(x)= 6.306214e-15, ||proj grad||_infty = 6.632796e-08
Iterate    35  nfg =   41   f = 6.306214e-15   |proj g| = 6.632796e-08
At iterate    36, f(x)= 6.129062e-15, ||proj grad||_infty = 9.936478e-08
Iterate    36  nfg =   42   f = 6.129062e-15   |proj g| = 9.936478e-08
At iterate    37, f(x)= 5.835062e-15, ||proj grad||_infty = 1.100115e-08
Iterate    37  nfg =   43   f = 5.835062e-15   |proj g| = 1.100115e-08
At iterate    38, f(x)= 5.821254e-15, ||proj grad||_infty = 8.097383e-09
Iterate    38  nfg =   44   f = 5.821254e-15   |proj g| = 8.097383e-09
At iterate    39, f(x)= 5.812011e-15, ||proj grad||_infty = 2.045998e-08
Iterate    39  nfg =   45   f = 5.812011e-15   |proj g| = 2.045998e-08
At iterate    40, f(x)= 5.808953e-15, ||proj grad||_infty = 4.713615e-09
Iterate    40  nfg =   47   f = 5.808953e-15   |proj g| = 4.713615e-09
At iterate    41, f(x)= 5.807860e-15, ||proj grad||_infty = 1.970912e-09
Iterate    41  nfg =   48   f = 5.807860e-15   |proj g| = 1.970912e-09
At iterate    42, f(x)= 5.807162e-15, ||proj grad||_infty = 1.100439e-09
Iterate    42  nfg =   49   f = 5.807162e-15   |proj g| = 1.100439e-09
At iterate    43, f(x)= 5.807047e-15, ||proj grad||_infty = 3.496426e-10
Iterate    43  nfg =   50   f = 5.807047e-15   |proj g| = 3.496426e-10
At iterate    44, f(x)= 5.807028e-15, ||proj grad||_infty = 2.297530e-10
Iterate    44  nfg =   51   f = 5.807028e-15   |proj g| = 2.297530e-10
At iterate    45, f(x)= 5.807024e-15, ||proj grad||_infty = 1.511674e-10
Iterate    45  nfg =   52   f = 5.807024e-15   |proj g| = 1.511674e-10
At iterate    46, f(x)= 5.807023e-15, ||proj grad||_infty = 6.619526e-11
Iterate    46  nfg =   53   f = 5.807023e-15   |proj g| = 6.619526e-11
 Final X = 
1.000000e+00 1.000000e+00 1.000000e+00 1.000001e+00 1.000001e+00 1.000003e+00 1.000005e+00 1.000010e+00 1.000020e+00 1.000041e+00 1.000081e+00 1.000162e+00 1.000325e+00 1.000650e+00 1.001300e+00 1.002602e+00 1.005212e+00 1.010450e+00 1.021010e+00 1.042461e+00 1.086725e+00 1.180970e+00 1.394691e+00 1.945164e+00 3.783662e+00 
           * * * 
Tit   = total number of iterations
Tnf   = total number of function evaluations
Tnint = total number of segments explored during Cauchy searches
Skip  = number of BFGS updates skipped
Nact  = number of active bounds at final generalized Cauchy point
Projg = norm of the final projected gradient
F     = final function value
           * * * 
   N    Tit   Tnf  Tnint  Skip  Nact      Projg        F
   25    46    53    70     0     0     6.619526e-11 5.807023e-15
F(x) = 5.807023129e-15
33
Cauchy                time 1.440e-04 seconds.
Subspace minimization time 4.270e-04 seconds.
Line search           time 9.300e-05 seconds.
 Total User time 1.126e-03 seconds.
