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[Russel Winder]

On Sun, 2012-06-03 at 09:42 +0200, David Nadlinger wrote:
> On Saturday, 2 June 2012 at 17:37:46 UTC, Russel Winder wrote:
> > On Sat, 2012-06-02 at 13:44 +0200, Jacob Carlborg wrote:
> >
> >> http://digitalmars.com/gift/index.html
> >
> > The second one with the 4 Macroscopic Maxwell Equations, 
> > perhaps ought
> > to be replaced with one using the far more sophisticated 
> > 4-vector
> > representation:
> >
> >         ∇²A = J
> 
> … although you should probably use the d'Alembertian then, are 
> missing a µ_0 with respect to the units of the other equations, 
> and are assuming the Lorenz gauge. :P

Doesn't everyone work in units such that c = 1 ? ;-)

-- 
Russel.
=============================================================================
Dr Russel Winder      t: +44 20 7585 2200   voip: sip:russel.winder at ekiga.net
41 Buckmaster Road    m: +44 7770 465 077   xmpp: russel at winder.org.uk
London SW11 1EN, UK   w: www.russel.org.uk  skype: russel_winder
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