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From: Martin Weiser (weiser_at_[hidden])
Date: 2002-10-25 12:10:03

On Freitag, 25. Oktober 2002 17:11, Matt Sutton wrote:
> > -----Original Message-----
> > From: Martin Weiser [mailto:weiser_at_[hidden]]
> > Sent: Friday, October 25, 2002 1:05 AM

> At a minimum, we would need to supply an error criterion for case 3 as
> well, with perhaps a suitable default value. From what I remember,
> exactly how you compute the error within different algorithms can be a
> small bone of contention among the purists. I don't know if delagating
> error computations to a policy class such that users could supply
> specialized methods would be overkill or not.
> 3. initial x, final x, error

Yes, and at least the choice between relative and absolute error should be
made by the user. Known discontinuities should be given to the algorithm
as well (optionally). And maybe an (optional) hint what maximal
integration order would be advisable.


Dr. Martin Weiser            Zuse Institute Berlin
weiser_at_[hidden]                Scientific Computing     Numerical Analysis and Modelling

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