MathGroup Archive 1997

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  • To: mathgroup at
  • Subject: [mg8536] NDSolve
  • From: "N. Kinoshita" <nk204 at>
  • Date: Sat, 6 Sep 1997 23:16:07 -0400
  • Sender: owner-wri-mathgroup at

I wonder why the following did not work.

                                   The trouble is here.

kdotfun and qdotfun are both defined previously as functions of [k].
The error message was like

  ...does not evaluate at 34.5444 <-this is the value for kss ...

When I just typed in the same function instead of using 'kdotfun/qdotfun',
it worked. But I would rather not like to do it because the expression for
it is sometimes quite complicated.

I have one more question.
I Plot the InterpolatingFunction and want to mark a point of the line with
* or else. Can I do this?

Thank you for your attention.
Noriaki Kinoshita
University of Cambridge
Email  nk204 at

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