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