søn, 21 03 2010 kl. 14:24 +1000, skrev Florent Angly:
> On 12/03/10 06:51, Søren Hauberg wrote:
> > The main problem seems to be that both Octave and 'optim' comes with an 
> > implementation of
> > 'fminbnd'. I don't know which is better, but I don't like the
> > duplication.
> >    
> 
> Ok. I found that the new fminbnd function is part of the development 
> version of Octave at the moment:
> http://hg.savannah.gnu.org/hgweb/octave/file/62bb59f927b1/scripts/optimization/fminbnd.m
> 
> It seems like this implementation of the function uses the Golden search 
> method combined with parabolic interpolation (like in Matlab's fminbnd). 
> This means that the new fminbnd function should be faster that the one 
> in the Octave optim module.
> 
> I just tested the new Octave fminbnd function quickly and its speed and 
> accuracy seem similar to those obtained with the Matlab function. The 
> new fminbnd function seems superior to the old one found in optim.

Thanks for looking at this. I have now removed the 'fminbnd' function
from the 'optim' package.

Søren


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