Great, thanks!
On Tue, Mar 8, 2022 at 7:43 AM Eric Gourgoulhon
wrote:
>
> Le mardi 22 février 2022 à 14:09:08 UTC+1, Eric Gourgoulhon a écrit :
>
>> Hi,
>>
>> Thanks for the report!
>> This is indeed a bug. It is fixed in
>> https://trac.sagemath.org/ticket/33399
>>
>
> The fix has been merged i
Hello,
I think there are parenthesis missing in the output of this:
sage: from sage.manifolds.utilities import ExpressionNice
sage: x,y,u,v = var('x y u v')
sage: f = function('f')(x, y)
sage: ExpressionNice(f.subs(x=u+v,y=u-v).diff(v).diff(u))
d^2(f)/d(u + v)^2 - d^2(f)/du - v^2
I expected the