-----leon.magiera at wp.pl wrote: -----
>but?I?wanted?to?calculate?the?laplacian?of?1/r
> load(vector)$
>?r:sqrt(x^2+y^2+z^2)$
>?factor(laplacian(1/r));
>
>The?correct?result?should?be?Dirac?delta?function?instead??of?"zero".
I don't know of a workaround that will do what you want. Even if there was,
Maxima has little to no support for the Dirac delta function. Thus, it's unlikely
that Maxima could do anything useful with the result.
Maybe you would like to write Maxima code that could do these things.
--Barton