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Xuesong (Steve)
2018-08-28 00:49:54 -04:00
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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 = 6693552 M = 5
it nf nseg nact sub itls stepl tstep projg f