[SciPy-user] fmin_bfgs optimizer hangs?
Marek Wojciechowski
mwojc at p.lodz.pl
Mon Nov 6 04:46:30 EST 2006
> fmin_bfgs(f, x0, fprime=None, args=(), gtol=1.0000000000000001e-05,
> norm=inf, epsilon=1.49011611938e-08, maxiter=None, full_output=
> 0, disp=1, retall=0, callback=None)
>
> Additional Inputs:
>
> maxiter -- the maximum number of iterations.
> full_output -- if non-zero then return fopt, func_calls,
> grad_calls,
> and warnflag in addition to xopt.
> disp -- print convergence message if non-zero.
> retall -- return a list of results at each iteration if non-zero
>
> You can specify the maximum number of iterations.
>
Yes, but there are circumsatances when the minimizer never reaches this
maximum.
Thats my point.
Note, that there is no parameter to set limit of function calls the
minimizer makes.
Greetings
--
Marek Wojciechowski
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