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From: Martin Weiser (weiser_at_[hidden])
Date: 20021024 04:00:29
On Mittwoch, 23. Oktober 2002 21:52, Matthias Troyer wrote:
> I am confused about the scope of a numerical integration library. It
> seems that three things are being mixed up here:
>
> i) 1D integration of a function with xpoints determined by the
> algorithm (e.g. Romberg integration)
>
> ii) Integration of first order ODEs by some algorithm (e.g.
> RungeKutta)
>
> iii) Forward Euler integration of an ODE with fixed step witdh delta_x
> and values of the derivative, given by some external function.
>
> While I agree that both i) and ii) would be interesting libraries, the
> usage case iii) which seems much discussed does not warrant a separate
> library in my opinion.
Agreed. Let me add that I think the interface to i) is more or less
straightforward, while the interface to ii) is much more complex and less
obvious.
Yours,
Martin
 Dr. Martin Weiser Zuse Institute Berlin weiser_at_[hidden] Scientific Computing http://www.zib.de/weiser Numerical Analysis and Modelling
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