Re: [sage-support] Sagemanifolds error in example notebook

On Wednesday, February 7, 2024 at 7:00:07 AM UTC-8 Eric Gourgoulhon wrote: I don't know about any automated way to check that the example notebooks are up to date. One can use "jupyter nbconvert --to notebook --execute" for this https://nbconvert.readthedocs.io/en/latest/execute_api.html --

Re: [sage-support] Re: Sagemanifolds: object has no attribute 'exterior_der'

Just to say that https://ask.sagemath.org gives me 502 Bad Gateway Guillermo On Wed, 7 Feb 2024 at 19:35, Eric Gourgoulhon wrote: > Le mercredi 7 février 2024 à 15:46:05 UTC+1, Dominic Steinitz a écrit : > > The example here https://sagemanifolds.obspm.fr/examples.html of > > >- Electromagn

[sage-support] Re: Sagemanifolds: object has no attribute 'exterior_der'

Le mercredi 7 février 2024 à 15:46:05 UTC+1, Dominic Steinitz a écrit : The example here https://sagemanifolds.obspm.fr/examples.html of - Electromagnetism in Minkowski spacetime [ipynb

Re: [sage-support] Sagemanifolds error in example notebook

Le mercredi 7 février 2024 à 16:00:07 UTC+1, Eric Gourgoulhon a écrit : Indeed, this notebook is 8 years old and is not at all up to date (there is even Python 2 print commands in it!). Please open an issue at the Github repository hosting this notebook: https://github.com/ernestyalumni/Gravite/b

Re: [sage-support] Sagemanifolds error in example notebook

Hi, Le mercredi 7 février 2024 à 15:46:05 UTC+1, Dominic Steinitz a écrit : Great thanks very much - I copied from the example - I guess I should have checked the manual - I wonder if there is some way of making sure the examples are always up to date. Indeed, this notebook is 8 years old and

[sage-support] Sagemanifolds: object has no attribute 'exterior_der'

The example here https://sagemanifolds.obspm.fr/examples.html of > Electromagnetism in Minkowski spacetime > > [ipynb > ] > (Electr

Re: [sage-support] Sagemanifolds error in example notebook

Great thanks very much - I copied from the example - I guess I should have checked the manual - I wonder if there is some way of making sure the examples are always up to date. On Wednesday 7 February 2024 at 12:43:47 UTC Vincent Delecroix wrote: > The error you get indicates that "exterior_der

Re: [sage-support] Sagemanifolds error in example notebook

The error you get indicates that "exterior_der" is not a valid operation. Maybe you want "exterior_derivative()"? On Wed, 7 Feb 2024 at 13:16, Dominic Steinitz wrote: > > I am in the examples folder trying to run > > Electromagnetism in Minkowski spacetime [ipynb] (Electromagnetic field 2-form >

[sage-support] Sagemanifolds error in example notebook

I am in the examples folder trying to run - Electromagnetism in Minkowski spacetime [ipynb ] (Electromagnetic f