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Re: [Bug-gsl] [bug #30540] please, add convergence checks in rk4imp/rk2i
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From: |
Sergey B Kirpichev |
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Subject: |
Re: [Bug-gsl] [bug #30540] please, add convergence checks in rk4imp/rk2imp |
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Date: |
Fri, 3 Sep 2010 13:22:10 +0400 |
On 9/3/10, Tuomo Keskitalo <address@hidden> wrote:
> > Right. Fixed version (with jacobian, attached below) seems to be working.
> >
> > Actually, it works only for eps_abs ~ round off error. Already for
> > eps_abs = 1e-10 it's easy to see small (linear?) drift in hamiltonian
> > from the constant.
>
> Sorry, I'm not familiar with your problem. Can you please elaborate?
http://savannah.gnu.org/bugs/?30540