Recent questions and answers in General questions

Recent questions and answers in General questions

+1 vote

2 answers

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

answered Dec 27, 2024 in General questions by kasper (84.7k points)

+1 vote

1 answer

derivatives are not evaluated in evaluation of components

answered Dec 26, 2024 in General questions by kasper (84.7k points)

+1 vote

1 answer

How to handle metric on submanifold?

answered Dec 7, 2024 in General questions by kasper (84.7k points)

0 votes

0 answers

Cadabra in Jupyter notebook - how to store?

asked Oct 20, 2024 in General questions by amnon.willinger (400 points)

+1 vote

1 answer

Custom display symbols for variables?

answered Sep 30, 2024 in General questions by kasper (84.7k points)

+1 vote

1 answer

Simple derivative evaluation not working for me.

answered Sep 30, 2024 in General questions by kasper (84.7k points)

0 votes

1 answer

Expanding sum into time and purely space components.

answered Aug 12, 2024 in General questions by doxdrum (15.3k points)

+1 vote

2 answers

question about eliminate_metric

answered Aug 5, 2024 in General questions by doxdrum (15.3k points)

+1 vote

2 answers

Factor out of numerical coefficient

answered Jul 18, 2024 in General questions by kasper (84.7k points)

+1 vote

1 answer

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

answered Jun 28, 2024 in General questions by doxdrum (15.3k points)

+1 vote

1 answer

how to deal with lovelock gravity?

answered Jun 24, 2024 in General questions by doxdrum (15.3k points)

+1 vote

1 answer

How to copy output as tex format in jupyter notebook?

answered Jun 3, 2024 in General questions by Arina (1.8k points)

+1 vote

2 answers

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

answered May 29, 2024 in General questions by doxdrum (15.3k points)

+1 vote

1 answer

Why does evaluate of metric eating vector shows only non-zero components.

answered May 19, 2024 in General questions by kasper (84.7k points)

+1 vote

2 answers

Christoffel symbols computation in $d$ dimensions with split indices

answered May 17, 2024 in General questions by doxdrum (15.3k points)

+1 vote

1 answer

why can't cadabra find cdb.sympy.calculus?

answered May 7, 2024 in General questions by kasper (84.7k 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.

answered May 7, 2024 in General questions by kasper (84.7k points)

+2 votes

1 answer

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

answered Apr 26, 2024 in General questions by doxdrum (15.3k points)

+1 vote

0 answers

convert other format to cadabra2 format

asked Apr 24, 2024 in General questions by eureka (2.2k points)

0 votes

1 answer

function expand_power not work for fractional power

answered Apr 24, 2024 in General questions by eureka (2.2k points)

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