MathGroup Archive 2003

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  • To: mathgroup at
  • Subject: [mg43473] question
  • From: Aslaninejad Morteza <M.Aslaninejad at>
  • Date: Thu, 18 Sep 2003 05:38:36 -0400 (EDT)
  • Sender: owner-wri-mathgroup at

I have solved a differential equation numerically with NDSolve and now, I
would like to do the following step but I don't know how?
1- Take the derivative of the answer first.
2- Sum the square of answer and the square of the derivative secondly.
thanks in advance

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