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sagemanifolds
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208
views
1
answer
1
vote
2022-01-28 14:41:12 +0200
eric_g
Tensor product of exterior power
sagemanifolds
manifolds
433
views
1
answer
1
vote
2022-02-25 22:19:12 +0200
eric_g
conjugate of scalar field
sagemanifolds
scalar_field
conjugate
148
views
1
answer
1
vote
2022-05-02 15:02:19 +0200
kva
Evaluating the tangent vector of a previously saved and loaded integrated geodesic
sagemanifolds
geodesics
integrated_geodesic
tangent_vector
215
views
1
answer
1
vote
2022-05-23 08:17:32 +0200
eric_g
How to convert a list to components of a PseudoRiemannian metric
sagemath
sagemanifolds
187
views
no
answers
no
votes
2022-05-27 08:57:45 +0200
Bubbz
Coordinate chart restriction raising a floating-point-overflow error
sagemanifolds
coordinates
floating_point
OverflowError
190
views
1
answer
1
vote
2022-08-16 19:32:45 +0200
eric_g
Sage Manifolds: Asymptotically de Sitter Spacetime in Fefferman-Graham Gauge
sagemanifolds
manifolds
physics
math
112
views
1
answer
no
votes
2022-08-28 22:02:29 +0200
Sébastien
Manifold not defined
sagemanifolds
117
views
1
answer
no
votes
2023-03-09 01:08:52 +0200
Florentin Jaffredo
Switching coordinate charts mid-integration with solve_across_charts
sagemanifolds
integrated_geodesic
geodesics
coordinates
293
views
no
answers
1
vote
2023-05-24 04:51:20 +0200
Jack Zuffante
Geodesic Won't Plot
geodesics
sagemanifolds
metrics
2Dplot
numerical_integral
116
views
1
answer
no
votes
2023-08-31 10:17:12 +0200
eric_g
Covariant derivative
sagemanifolds
connection
162
views
no
answers
1
vote
2023-09-08 00:42:22 +0200
John Palmieri
sqrt integral not working
sqrt
integral
sagemanifolds
174
views
1
answer
no
votes
2023-11-15 15:39:15 +0200
eric_g
[SageManifolds] Error : Black hole rendering with SageMath
sagemanifolds
cocalc
190
views
1
answer
no
votes
2023-11-15 15:06:14 +0200
eric_g
[CoCalc] [SageManifolds] Error : Black hole rendering with SageMath 2
sagemanifolds
cocalc
218
views
1
answer
no
votes
2023-11-21 11:22:35 +0200
eric_g
[CoCalc][SageManifolds] Error : Black hole rendering with SageMath 3
cocalc
sagemanifolds
69
views
1
answer
no
votes
2023-11-21 14:51:30 +0200
eric_g
grad on a generic metric
sagemanifolds
valueerror
newbie
76
views
2
answers
no
votes
2023-11-26 15:44:38 +0200
eric_g
Wrong result for gradient in spherical coordinates [closed]
sagemanifolds
60
views
1
answer
no
votes
2023-11-26 09:28:25 +0200
GPN
differential (1-form) simplifies a bit too much
simplify
manifolds
sagemanifolds
385
views
1
answer
no
votes
2023-11-26 11:29:26 +0200
achrzesz
How to express (-t^2 + x^2 + y^2 + z^2) as (x_μ)^2 ?
manifolds
sagemanifolds
symbolic-expression
201
views
1
answer
1
vote
2023-12-05 15:40:32 +0200
GPN
How to collect the derivatives in an expression for a scalar field
manifolds
sagemanifolds
collect
254
views
2
answers
no
votes
2023-12-09 11:08:43 +0200
eric_g
Plotting transition-of-transition fails with "cannot evaluate symbolic expression"
sagemanifolds
transition_map
plot
306
views
1
answer
no
votes
2024-01-03 10:28:39 +0200
idontgetoutmuch
Connection Forms not Anti-Symmetric
manifolds
sagemanifolds
151
views
1
answer
no
votes
2024-01-13 14:38:44 +0200
eric_g
Computing the Chern–Pontryagin invariant
sagemanifolds
maniflods
TensorProducts
86
views
no
answers
no
votes
2024-02-19 16:46:11 +0200
AKGSage
Comparison between SageMath ODE solvers and Scipy ODE solvers
ask-sage
differential_eqns
sagemanifolds
desolve_odeint
ode_solver
185
views
1
answer
no
votes
2024-02-28 11:20:08 +0200
eric_g
Confused about covariant derivatives and tensors in SageMath
tensor-fields
sagemanifolds
manifolds
covariant_derivative
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