[ODE] Large mass and accuracy

Jon Watte hplus-ode at mindcontrol.org
Tue Jun 15 10:00:31 MST 2004

The documentation explicitly states that this is a bad idea, 
because of numerical problems. If you start adding strong forces, 
you may get NaNs and other numerical madness out of the system.

If you use doubles, rather than floats, it's a little more tolerant, 
but I still wouldn't push it too far. Stability is tricky enough as 
it is.


			/ h+

-----Original Message-----
From: ode-bounces at q12.org [mailto:ode-bounces at q12.org]On Behalf Of Ivica
Sent: Tuesday, June 15, 2004 4:59 AM
To: ode at q12.org
Subject: [ODE] Large mass and accuracy

Hello all!

When I ahve large mass values (e.g. 2000 for a car).
Could such large values cause numeric drift and instability, when used 
in an ODE simulation?

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