--- Brent Worden <[EMAIL PROTECTED]> wrote:
> > and unit tests. While things like rootfinding for
> > non-differentiable functions
> > may eventually have a place and may benefit from algorithms that
> > someone can
> > claim copyright ownership of, if no one else does it before I get
> > to it, I will
> > translate my simple newton's method implementation (which is trivial) and
> > submit it. I would appreciate input on what a nice Java interface
> > would look
> > like for rootfinding, initally assuming that the function has a
> > derivative, but
> > ideally extensible to support strategies that do not require
> > differentiability.
>
> In the chi-square patch, I created a root finding utility class. I used the
> bisection method to provide a default mechanism for computing inverse CDFs.
> It's driven by a simple Function interface. Check it out and see if it's
> something you can use or improve.
>
> The relevant types are org.apache.jakarta.commons.math.RootFinding and
> org.apache.jakarta.commons.math.Function and there it's utilized in
> org.apache.jakarta.commons.math.stat.distribution.AbstractContinuousDistribu
> tion.
>
> Let me know what you think.
>
> Brent Worden
> http://www.brent.worden.org
Brent,
I think I have a few improvements that came to mind while I was coding a
Ridders' method implementation. Should I send you a diff file privately?
Al
=====
Albert Davidson Chou
Get answers to Mac questions at http://www.Mac-Mgrs.org/ .
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