Hot questions

0 votes

1 answer

Gtk error messages on startup.

asked Sep 30, 2024 in Bug reports by strangerep (460 points)

+1 vote

2 answers

question about eliminate_metric

asked Aug 2, 2024 in General questions by eureka (2.2k points)

0 votes

1 answer

A bug of Accent

asked Aug 1, 2024 in Bug reports by eureka (2.2k points)

0 votes

1 answer

Expanding sum into time and purely space components.

asked Aug 10, 2024 in General questions by Heckfy (120 points)

+1 vote

2 answers

Factor out of numerical coefficient

asked Jun 24, 2024 in General questions by Arina (2.1k points)

+1 vote

2 answers

evaluate() returns RuntimeError when using the explicit value of an index

asked Jan 4, 2024 in General questions by gpn (2.0k points)

+1 vote

2 answers

Christoffel symbols computation in $d$ dimensions with split indices

asked May 14, 2024 in General questions by raulastur (180 points)

+1 vote

1 answer

how to deal with lovelock gravity?

asked Jun 23, 2024 in General questions by eureka (2.2k points)

+2 votes

1 answer

How to calculate Christoffel symbols with metric defined by abstract matrices?

asked Apr 16, 2024 in General questions by Photon (180 points)

+1 vote

1 answer

I'm trying to reproduce equation 4.6 from 4.5 in Carrolls Spacettime ;and Geometry

asked Jun 27, 2024 in General questions by ChuckW (230 points)

+1 vote

1 answer

Cadabra 2.5.x released

asked Jun 15, 2024 in Announcements by kasper (86.8k points)

+1 vote

1 answer

leading scalar expression blocks canonicalise

asked Jun 11, 2024 in Bug reports by LeoBrewin (2.1k points)

+1 vote

1 answer

location of bracket blocks distribute

asked Jun 11, 2024 in Bug reports by LeoBrewin (2.1k points)

0 votes

0 answers

Setting Python version in cmake

asked Apr 18, 2024 in Installation trouble by Schamschula (120 points)

+1 vote

1 answer

substitute gives incorrect value on scalar expression

asked Jun 17, 2024 in Bug reports by LeoBrewin (2.1k points)

+1 vote

3 answers

make copy expression easier

asked Apr 18, 2024 in Feature requests by eureka (2.2k points)

+1 vote

1 answer

LaTeXForm fails in version 2.5.2

asked Jun 17, 2024 in Bug reports by LeoBrewin (2.1k points)

+1 vote

2 answers

How can I store the result of evaluating g(.,v) as a co-vector?

asked May 14, 2024 in General questions by paul (230 points)

+1 vote

1 answer

How to copy output as tex format in jupyter notebook?

asked May 27, 2024 in General questions by eureka (2.2k points)

+1 vote

1 answer

how to compute metric(vector,vector) or g(v,w) where g,v,w already defined without haqving to repeat the definitions.

asked May 7, 2024 in General questions by paul (230 points)

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