just added some keywords to the subject. On Sun, Oct 4, 2020 at 9:15 AM Mattia Villani <mattia...@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 >
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