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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