Thanks, I have adapted the sheet and sent a link for write access directly.
I intend to strike through problems that are no longer problems, i.e. if
that code is working again in the current version of SageMath.

Am Fr., 21. Feb. 2020 um 01:39 Uhr schrieb Samuel Lelièvre <
[email protected]>:

> Tue 2020-02-18 17:24:07 UTC, Ingo Dahn:
> >
> > If your SageCell code broke recently, you may want to go
> > to the SageCellDoctorPage for a suggestion to repair it.
> >
> > If your problem isn't listed there, try to isolate the problem
> > in a code snippet and submit that code
> > and the resulting error message.
> >
> > Initially, that site lists 6 problems and 3 solutions.
> >
> > If you by chance have a solution for one of the open problems,
> > please post it in this thread and I'll copy it over to the
> > SageCellDoctorPage.
> > If you are available for regularly suggesting solutions (great!)
> > I am happy to provide you with direct write access to the
> > problem/solution spreadsheet.
> >
> > I hope this is useful, in particular for non-expert users of SageCell.
>
> Thanks for this excellent initiative!
>
> The problem at line 5, where
>
>     sage: show(plot(factorial(x), (x, 1, 5)))
>
> raises
>
>     AttributeError: 'float' object has no attribute 'gamma'
>
> can be simplified to
>
>     sage: plot(factorial(x), (x, 1, 5))
>
> and even to
>
>     sage: factorial(float(3.2))
>
> That problem now has a proposed solution at
>
> - Sage Trac ticket 26749
>   Let `factorial` accept float arguments
>   https://trac.sagemath.org/ticket/26749
>
> Maybe columns E, F, G could have the following titles,
> and be filled as follows for line 5:
>
> - works in
>
>     Sage <= 8.2
>
> - fails in
>
>     Sage 8.3 to 9.0
>
> - Sage Trac ticket
>
>     26749
>
> Are you thinking of suppressing the issues once solved,
> or of keeping lines unchanged so they can be referred to?
>
> I'm interested in write access.
>
> Samuel
>
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