[sage-support] Re: Nice mess in multiple derivatives...

Dear Karl-Dieter FYI, this thread, reposted by Éric Gourgoulhon on ~sage-devel~, has moved here . Le dimanche 2 août 2020 02:57:20 UTC+2, kcrisman a écrit : Just for information, I believe the

[sage-support] Re: Nice mess in multiple derivatives...

Just for information, I believe the derivatives are all handled in Pynac. It's possible that does not have the capability of a symbolic number of derivatives. It would be worth tracing through to see why 0 is the answer. Perhaps it (Sage) interprets the syntax as being with respect to the va