Stavros Macrakis <macrakis <at> alum.mit.edu> writes:
>
> >
> > divergence(f):=[diff(f,x),diff(f,y),diff(f,z)];
> This sort of approach doesn't help much, though, if you want to
> manipulate div/curl/grad on symbolic vectors (not components),
> possibly in other coordinate systems.
Sorry for the error,
divergence(f):=diff(f,x)+diff(f,y)+diff(f,z);