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Precision when solving a system of differential equations

• To: mathgroup at smc.vnet.net
• Subject: [mg81776] Precision when solving a system of differential equations
• From: Marc VIAL <marcvial at msn.com>
• Date: Wed, 3 Oct 2007 02:34:02 -0400 (EDT)

Hi,

I have a system with three differential equations with time as my variable.
 I would like to control the increment time step as some of my function are
 very stiff. Ideally I would like to use between 10 and 20 millions steps. 
How can I do that?
(version used Mathematica 6.0.1)

Thanks for help
Marc
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