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269
views
2
answers
1
vote
2020-02-14 23:26:28 +0100 rburing flag of France

Can't substitute H=dot(a)/a in SageMath

59
views
2
answers
no
votes
2023-11-26 15:44:38 +0100 eric_g

Wrong result for gradient in spherical coordinates [closed]

286
views
1
answer
1
vote
2016-11-30 14:50:38 +0100 eric_g

Error with metric

258
views
1
answer
no
votes
2017-04-01 11:04:00 +0100 eric_g

weird behavior of set and uniq

312
views
1
answer
2
votes
2017-04-22 19:55:26 +0100 Richard_L

Computing Riemann connection fails in Maxima

346
views
1
answer
3
votes
2017-05-05 14:20:47 +0100 eric_g

Better implementation for Laplace-Beltrami operator

281
views
1
answer
no
votes
2017-07-15 18:07:48 +0100 dan_fulea

Problem regarding user input in Sage manifolds

255
views
1
answer
no
votes
2018-03-08 18:57:24 +0100 Richard_L

Misusing sage.manifolds?

341
views
1
answer
1
vote
2018-04-22 22:30:21 +0100 eric_g

Basic work on tensor components

383
views
1
answer
3
votes
2018-05-08 20:52:55 +0100 eric_g

Alternating symbols with SageManifolds

410
views
1
answer
1
vote
2018-11-08 13:28:54 +0100 tmonteil

Killing vectors

416
views
1
answer
1
vote
2018-11-18 21:06:10 +0100 eric_g

SageManifolds different frames

467
views
1
answer
1
vote
2018-12-15 14:55:49 +0100 eric_g

Wrong Pointer

402
views
1
answer
1
vote
2018-12-20 11:20:55 +0100 kva

Velocity of time

548
views
1
answer
2
votes
2019-02-08 20:36:30 +0100 danielvolinski flag of Uruguay

No output when documentation say it should be

693
views
1
answer
1
vote
2019-03-13 11:59:19 +0100 eric_g

Coefficients of partial derivatives

506
views
1
answer
no
votes
2019-04-12 20:45:10 +0100 eric_g

multiprocessing.Pool does not work

246
views
1
answer
1
vote
2019-04-23 17:33:01 +0100 dan_fulea

Tensor slicing

5k
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1
answer
2
votes
2019-04-22 13:55:19 +0100 dan_fulea

Contracting with Christoffel symbols

499
views
1
answer
3
votes
2019-05-21 20:56:03 +0100 my_screen_name

Bel decomposition

655
views
1
answer
1
vote
2019-05-21 23:16:31 +0100 eric_g

set_default_chart seems to fail

245
views
1
answer
1
vote
2019-06-03 18:42:58 +0100 eric_g

Trouble with spherical coordinates in sagemanifolds

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