just added some keywords to the subject.
On Sun, Oct 4, 2020 at 9:15 AM Mattia Villani <
matt...@gmail.com> wrote:
>
> I am trying to calculate the general expression of the Kretschmann scalar of metric depending a non specified function m(r): how do I define such a function? II have tried with
> def m(r)
> but it is wrong since it expects a definition of the function
>