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Subject: Re: ode45
Date: Wed, 29 Jun 2011 19:41:10 +0000 (UTC)
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"Roger Stafford" wrote in message <iuftb4$2gp$1@newscl01ah.mathworks.com>...
>   Note that your initial values for x', y', x, and y are interdependent and must satisfy x'+y'+2*x+2*x = 0.  That is, these equations have only three independent parameters.
- - - - - - - -
  Oops, I meant x'+y'+2*x+2*y = 0.

Roger Stafford