Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uunet!news.larc.nasa.gov!mris.larc.nasa.gov!goodrich From: goodrich@mris.larc.nasa.gov (Mike Goodrich) Newsgroups: comp.theory.dynamic-sys Subject: Re: double pendulum. etc. Message-ID: <1991Apr15.184945.6427@news.larc.nasa.gov> Date: 15 Apr 91 18:49:45 GMT References: <1991Apr7.185734.9443@dsd.es.com> <70001@eerie.acsu.Buffalo.EDU> Sender: news@news.larc.nasa.gov (USENET Network News) Organization: NASA Langley Research Center, Hampton, VA USA Lines: 11 In article <70001@eerie.acsu.Buffalo.EDU> ghanem@venus.eng.buffalo.edu (roger g ghanem) writes: > >the double pendulum is a classical problem in dynamics. >any book on the subject will have the development of the Just a comment to say that this problem is a classic example of the utility of the Lagrangian formulation of dynamics and one should expect to see it phrased as such instead of the more basic F = m a. mike goodrich goodrich@uxv.larc.nasa.gov