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User doxdrum
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Welcome to Cadabra Q&A, where you can ask questions and receive answers from other members of the community.
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Answers by doxdrum
0
votes
Expanding sum into time and purely space components.
answered
Aug 12
in
General questions
0
votes
question about eliminate_metric
answered
Aug 5
in
General questions
eliminate_metric
0
votes
A bug of Accent
answered
Aug 1
in
Bug reports
accent
+1
vote
Factor out of numerical coefficient
answered
Jun 28
in
General questions
factor-out
factor-in
+1
vote
I'm trying to reproduce equation 4.6 from 4.5 in Carrolls Spacettime ;and Geometry
answered
Jun 28
in
General questions
derivative
partial
0
votes
how to deal with lovelock gravity?
answered
Jun 24
in
General questions
python
0
votes
How can I store the result of evaluating g(.,v) as a co-vector?
answered
May 29
in
General questions
+1
vote
Christoffel symbols computation in $d$ dimensions with split indices
answered
May 17
in
General questions
algorithms
metric
+2
votes
How to calculate Christoffel symbols with metric defined by abstract matrices?
answered
Apr 26
in
General questions
algorithms
metric
0
votes
bug of unwrap
answered
Apr 23
in
Bug reports
unwrap
0
votes
Instructions on keyboard shortcuts
answered
Apr 22
in
Feature requests
shortcut
0
votes
make copy expression easier
answered
Apr 19
in
Feature requests
substitute
0
votes
unwrap of partial derivatives
answered
Mar 28
in
Bug reports
partialderivative
unwrap
0
votes
how to swap indices for partial derivatives
answered
Mar 20
in
General questions
indices
derivative
swap
0
votes
How to collect terms containing derivatives
answered
Dec 18, 2023
in
General questions
collect_terms
partialderivative
0
votes
meld sets to zero when it shouldn't?
answered
Dec 6, 2023
in
Bug reports
meld
canonicalize
0
votes
Trigonometric and hyperbolic functions
answered
Nov 30, 2023
in
General questions
trigonometric
functions
0
votes
How to calculate the determinant of a tensor density?
answered
Nov 9, 2023
in
General questions
algorithms
determinant
0
votes
Problem with substitute and powers
answered
Nov 9, 2023
in
Bug reports
substitution
expand_power
+1
vote
Expansion of covariant derivative
answered
Nov 8, 2023
in
General questions
indices
python-functions
expand
covariant-derivative
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