Re: Laplacian 2-D polar form
- To: mathgroup at smc.vnet.net
- Subject: [mg6962] Re: Laplacian 2-D polar form
- From: Stephen P Luttrell <luttrell at signal.dra.hmg.gb>
- Date: Wed, 30 Apr 1997 22:25:20 -0400 (EDT)
- Organization: Defence Research Agency
- Sender: owner-wri-mathgroup at wolfram.com
Sergio Rojas wrote: > > (**** > Hello folks, > > Using Mathematica 2.2 for DEC OSF/1 Alpha, I wrote a few lines > to find the Laplacian 2-D polar form starting from its expression > in rectangular coordinates: > ****) > The following computes the Laplacian in cylindrical polar coordinates: Needs["Calculus`VectorAnalysis`"] SetCoordinates[Cylindrical[r,theta,z]] Laplacian[f[r,theta,z]] ====================================================================== Dr Stephen P Luttrell luttrell at signal.dra.hmg.gb Adaptive Systems Theory 01684-894046 (phone) Room EX21, Defence Research Agency 01684-894384 (fax) Malvern, Worcs, WR14 3PS, U.K. http://www.dra.hmg.gb/cis5pip/Welcome.html