Re: Magnetic Pendulum
- To: mathgroup at smc.vnet.net
- Subject: [mg62259] Re: Magnetic Pendulum
- From: "Kevin J. McCann" <kmccann at umbc.edu>
- Date: Thu, 17 Nov 2005 17:03:53 -0500 (EST)
- Organization: University of Maryland, Baltimore County
- References: <200511160728.CAA08482@smc.vnet.net> <dlhhv1$5hj$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
You should note that the first site, which actually shows a calculation, is not actually doing a magnetic pendulum. The force law quoted is that for an electrostatic pendulum. The magnetic force in the problem is a dipole-dipole interaction, and that is not used on the website. Kevin Igor Antonio wrote: > 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. > > Igor > > 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 earthlink.net >>http://home.earthlink.net/~djmp/ >> >> >>rom: Martin Koschi [mailto:martin.koschi at gmx.net] >> >>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 >> > > >
- References:
- Re: Magnetic Pendulum
- From: "David Park" <djmp@earthlink.net>
- Re: Magnetic Pendulum