Re: fminbnd tolerances

[Rik]

> I believe, however, that the fzero/fminbnd functions are so efficient
> that the user will most typically far prefer accuracy to performance,
> so I think Octave's defaults are more reasonable. But I'm open to
> discussion.
My assessment of the algorithms is the same as yours and I will vote for
the extra accuracy.

1-3 extra function evaluations are of no consequence when the answer is
usually returned before I can get my fingers off the keyboard.

--Rik