On Sat, Aug 3, 2024 at 11:19 AM Dima Pasechnik <dimp...@gmail.com> wrote: > > This probably has to do with the limited capacities of Sage preparser, which > converts Sage extensions to the plain Python. > It apparently cannot split lines with multiple commands. > PRs to improve this welcome.
Oops, no, sorry, my bad. It's a bug in the implementation of polynomial rings over QQbar (note that there is no error is QQbar is replaced by QQ) Dima > > HTH > Dima > > > On 3 August 2024 06:58:40 BST, 'Peter Mueller' via sage-devel > <sage-devel@googlegroups.com> wrote: >> >> The line `R.<a, c> = QQbar[]; factor(a^2 - 2*c^2)` raises a >> >> ValueError: variable name '@c' is not alphanumeric >> >> while the same line with `c` replaced with `b` works fine. >> >> This happens in a local installation of Sage 10.4 (and 10.5.beta0), but also >> on the SageCell. >> >> -- Peter Mueller -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-devel/CAAWYfq32LKW5LLaqA-F%3DPNaZMVMX4cT%2BpbNJYKMNY8BGX7OZOA%40mail.gmail.com.
