On Fri, 23 Nov 2001 23:24:09 -0500, David Buck <dav### [at] simberoncom>
wrote:

>An alternative (but more complicated) is to use a technique called Adaptive
>Runge Kutta instead of Euler.  Adaptive Runge Kutta is much more stable and is
>much less likely to give increases in energy during the animation.

Implicit Euler should do as a start as it won't require much rewriting
and is almost as fast. That, or central differences. This is a simple
project, Runge-Kutta (Adams, too) may, IMHO, be overkill.


Peter Popov ICQ : 15002700
Personal e-mail : pet### [at] vipbg
TAG      e-mail : pet### [at] tagpovrayorg

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