--- Osman <osman@fuse.net> wrote:
> A while ago CY asked about this. I was looking at my old Macsyma
> quick ref
> sheets and a sale pitch booklet that had a nice solution. Here it is:
>
> load(vect);
> scalefactors([[r*sin(p)*cos(q),r*sin(p)*sin(q),r*cos(p)],r,p,q]);
> depends(t,[r,p,q]);
> express(laplacian(t));
> ev(d6,diff);
> ratexpand(d9);
>
> It looks like vect package is quite good. The Macsyma example
> involved
> Maxwell's equations.
>
> Just wanted to pass this info along.
Worked like a charm! Thanks!
CY
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