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43 questions

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41
views
2
answers
1
vote
2020-02-14 16:26:28 -0500 rburing flag of Germany

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

29
views
1
answer
no
votes
2020-01-17 17:06:25 -0500 rburing flag of Germany

Unable to use substitute_function in SageManifolds

58
views
1
answer
1
vote
2019-11-28 17:05:20 -0500 eric_g

Check if a curve is a geodesic

58
views
1
answer
1
vote
2019-10-23 10:59:59 -0500 eric_g

Compute the inverse of a 2-form

50
views
1
answer
1
vote
2019-09-27 15:41:00 -0500 eric_g

Transformation of derivative under a change of chart

35
views
1
answer
1
vote
2019-09-27 10:03:29 -0500 eric_g

Display connection coefficients under a change of chart

56
views
1
answer
1
vote
2019-08-30 04:29:55 -0500 eric_g

Changing chart multiple times in sagemanifolds

45
views
1
answer
no
votes
2019-08-28 06:24:23 -0500 eric_g

How to set a metric tensor inverse?

72
views
1
answer
1
vote
2019-06-03 11:42:58 -0500 eric_g

Trouble with spherical coordinates in sagemanifolds

255
views
1
answer
1
vote
2019-05-21 16:16:31 -0500 eric_g

set_default_chart seems to fail

86
views
1
answer
3
votes
2019-05-21 13:56:03 -0500 my_screen_name

Bel decomposition

78
views
1
answer
no
votes
2019-04-23 10:33:01 -0500 dan_fulea

Tensor slicing

76
views
1
answer
2
votes
2019-04-22 06:55:19 -0500 dan_fulea

Contracting with Christoffel symbols

68
views
1
answer
no
votes
2019-04-12 13:45:10 -0500 eric_g

multiprocessing.Pool does not work

128
views
1
answer
1
vote
2019-03-13 05:59:19 -0500 eric_g

Coefficients of partial derivatives

117
views
1
answer
2
votes
2019-02-08 13:36:30 -0500 danielvolinski flag of Uruguay

No output when documentation say it should be

97
views
1
answer
1
vote
2018-12-20 04:20:55 -0500 kva

Velocity of time

139
views
1
answer
1
vote
2018-12-15 07:55:49 -0500 eric_g

Wrong Pointer

69
views
no
answers
1
vote
2018-11-22 02:30:38 -0500 Dox flag of Chile

Tensor density in sagemanifolds?

70
views
1
answer
1
vote
2018-11-18 14:06:10 -0500 eric_g

SageManifolds different frames

125
views
1
answer
1
vote
2018-11-08 06:28:54 -0500 tmonteil

Killing vectors

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