Re: Performance improvement needed - Help.
- To: mathgroup at smc.vnet.net
- Subject: [mg63711] Re: Performance improvement needed - Help.
- From: Paul Abbott <paul at physics.uwa.edu.au>
- Date: Tue, 10 Jan 2006 04:50:37 -0500 (EST)
- Organization: The University of Western Australia
- References: <dpiotv$l11$1@smc.vnet.net> <dptdpr$l1$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
In article <dptdpr$l1$1 at smc.vnet.net>, Antonio Neves <aneves at gmail.com> wrote: > Yes I am computing some numerical integral, on a dicrete cartesian > grid. Actualy I am calculating an electric field describe in terms of > vectorial spherical harmonics, and for each multipole (n,m) I need to > do a numeric Integral. Why do you need to do a _numeric_ integral? It may be possible to compute the multipole integrals in closed form. > I do not know with stomic or molecular integral > you are refering top since this is not my field, but I am interested in > how to spped up the computation of integrals over hydrogenic orbitals. > They might be similar. Could you please foward me some reference on > this matter? Actually, it might be better if you write down the integrals that you are trying to compute. Cheers, Paul _______________________________________________________________________ Paul Abbott Phone: 61 8 6488 2734 School of Physics, M013 Fax: +61 8 6488 1014 The University of Western Australia (CRICOS Provider No 00126G) AUSTRALIA http://physics.uwa.edu.au/~paul