[SciPy-User] optimize.fmin_cg terminates when w - grad*1e-10 yields lower obj & grad

Jason Rennie jrennie@gmail....
Mon Oct 5 12:53:09 CDT 2009

On Mon, Oct 5, 2009 at 1:40 PM, <josef.pktd@gmail.com> wrote:

> Does lowering gtol help?  e.g. gtol=1e-10
> I would keep using norm=inf  to force more iterations.

Thanks for the suggestion, but no, it does not seem to help.  I get the same
exact behavior with no norm argument (default is Inf) and a gtol=1e-10


Jason Rennie
Research Scientist, ITA Software
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