Questions - ASKSAGE: Sage Q&A Forum

124

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1

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2023-09-08 00:42:22 +0200 John Palmieri

sqrt integral not working

54

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1

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no

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2023-08-31 10:17:12 +0200 eric_g

Covariant derivative

191

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1

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2023-05-24 04:51:20 +0200 Jack Zuffante

Geodesic Won't Plot

87

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2023-03-09 01:08:52 +0200 Florentin Jaffredo

Switching coordinate charts mid-integration with solve_across_charts

90

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no

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2022-08-28 22:02:29 +0200 Sébastien

Manifold not defined

sagemanifolds

132

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2022-08-16 19:32:45 +0200 eric_g

Sage Manifolds: Asymptotically de Sitter Spacetime in Fefferman-Graham Gauge

160

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2022-05-27 08:57:45 +0200 Bubbz

Coordinate chart restriction raising a floating-point-overflow error

193

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2022-05-23 08:17:32 +0200 eric_g

How to convert a list to components of a PseudoRiemannian metric

123

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1

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2022-05-02 15:02:19 +0200 kva

Evaluating the tangent vector of a previously saved and loaded integrated geodesic

352

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1

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2022-02-25 22:19:12 +0200 eric_g

conjugate of scalar field

185

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1

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2022-01-28 14:41:12 +0200 eric_g

Tensor product of exterior power

160

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1

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1

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2021-12-18 17:08:58 +0200 eric_g

full metric transform

243

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1

answer

2

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2021-05-11 16:06:36 +0200 Florentin Jaffredo

Geodesics/tangent vector evaluation interpolation error

123

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2021-04-12 06:19:54 +0200 perfectly_odd

Is there a way to compute the "correct" distributional answer, -4pidirac_delta(r), as the Laplacian of 1/r (in spherical coordinates on Euclidean space)?

215

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2021-04-08 09:55:39 +0200 eric_g

Is there a built-in way to integrate a vector or differential form field on an embedded submanifold of Euclidean space?

219

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1

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1

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2021-04-03 16:46:21 +0200 slelievre

Coordinate charts, functions of one coordinate as bounds of another(?)

212

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1

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4

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2021-03-30 16:32:33 +0200 Florentin Jaffredo

Integrating geodesics backwards in time

197

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1

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no

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2021-02-02 08:59:18 +0200 eric_g

Displaying all symbolic expression with ExpressionNice

258

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1

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no

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2021-02-02 08:50:57 +0200 eric_g

latex_name and derivatives in sagemanifolds

178

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1

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no

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2020-12-04 16:55:46 +0200 slelievre

manifolds: antisymmetrize a tensor field creates a vector field instead of a tensor field [closed]

186

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1

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no

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2020-11-07 16:25:46 +0200 eric_g

Why does manifold not have a volume form?

sagemanifolds

205

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1

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no

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2020-09-05 14:02:29 +0200 eric_g

Typo in Sagemanifolds worksheet ? [closed]

224

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1

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2

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2020-08-28 11:26:26 +0200 eric_g

When affine_connection is empty

sagemanifolds

76

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no

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2020-08-25 22:12:29 +0200 danielvolinski

Error when I had some show commands

sagemanifolds

383

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1

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1

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2020-08-12 23:44:10 +0200 eric_g

Sagemanifolds display has deteriorated

sagemanifolds

266

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no

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1

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2020-07-10 06:14:08 +0200 wintermute

Defining $S^1$ with four charts

305

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1

answer

1

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2020-05-31 15:37:39 +0200 eric_g

abstract index notation and differential geometry

474

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1

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1

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2020-04-30 10:00:00 +0200 eric_g

Multiprocess hangs

515

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1

answer

2

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2020-04-27 17:07:37 +0200 mocalvao

metric perturbations on Sagemanifolds

sagemanifolds

238

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1

answer

1

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2020-04-02 18:32:55 +0200 eric_g

71 questions

sqrt integral not working

Covariant derivative

Geodesic Won't Plot

Switching coordinate charts mid-integration with solve_across_charts

Manifold not defined

Sage Manifolds: Asymptotically de Sitter Spacetime in Fefferman-Graham Gauge

Coordinate chart restriction raising a floating-point-overflow error

How to convert a list to components of a PseudoRiemannian metric

Evaluating the tangent vector of a previously saved and loaded integrated geodesic

conjugate of scalar field

Tensor product of exterior power

full metric transform

Geodesics/tangent vector evaluation interpolation error

Is there a way to compute the "correct" distributional answer, -4pidirac_delta(r), as the Laplacian of 1/r (in spherical coordinates on Euclidean space)?

Is there a built-in way to integrate a vector or differential form field on an embedded submanifold of Euclidean space?

Coordinate charts, functions of one coordinate as bounds of another(?)

Integrating geodesics backwards in time

Displaying all symbolic expression with ExpressionNice

latex_name and derivatives in sagemanifolds

manifolds: antisymmetrize a tensor field creates a vector field instead of a tensor field [closed]

Why does manifold not have a volume form?

Typo in Sagemanifolds worksheet ? [closed]

When affine_connection is empty

Error when I had some show commands

Sagemanifolds display has deteriorated

Defining $S^1$ with four charts

abstract index notation and differential geometry

Multiprocess hangs

metric perturbations on Sagemanifolds

weyl, symmetrize and antisymmetrize functions provide error

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