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MathGroup Archive 2005

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Re: Re: Magnetic Pendulum

  • To: mathgroup at
  • Subject: [mg62236] Re: [mg62222] Re: [mg62211] Magnetic Pendulum
  • From: Igor Antonio <igora at>
  • Date: Thu, 17 Nov 2005 04:15:34 -0500 (EST)
  • Organization: Wolfram Research, Inc.
  • References: <>
  • Reply-to: igora at
  • Sender: owner-wri-mathgroup at

Nice way of saying "don't ask us to do your homework for you," David. :-)

Martin, show us your attempt at trying to do it and where you're having problems 
and then the newsgroup can help.


David Park wrote:
> Martin,
> Just start a Mathematica Notebook. Use Sections to organize your work.
> Perhaps you will make a Statement of Problem section where you will define
> your equations, parameters and initial conditions.
> Then make a Solution Section where you will try to solve the equations using
> NDSolve. Once you get your solutions you can try to plot them.
> Maybe you will have additional Sections treating specific cases or classes
> of cases. Maybe you will want to check simplified cases where the solution
> reduces to an ordinary small oscillation pendulum.
> You will probably have to use trial and error to get to a useful point. If
> you have real trouble at some point, say with the differential equations and
> how to feed them into NDSolve, post the equations and your attempt to this
> group. There are many people here, not me, who know a lot about differential
> equations and will probably give you good help. Post the code by converting
> the cell to InputForm and then copying and pasting into a posting.
> David Park
> djmp at
> rom: Martin Koschi [mailto:martin.koschi at]
> Hello, I have some questions.
> Does somebody have the magneticpendulum problem solved as a mathematica
> notebook, which he can send me?
> If not can somebody explain my how i can solve that problem? I have to
> simulate a magnetic pendulum in mathematica.
> thx a lot


Igor C. Antonio
Wolfram Research, Inc.

To email me personally, remove the dash.

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