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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)
epsilon-tensor
evaluate-components
+1
vote
1
answer
derivatives are not evaluated in evaluation of components
answered
Dec 26, 2024
in
General questions
by
kasper
(
84.7k
points)
cadabra2
derivative
indices
coordinate-transformation
+1
vote
1
answer
How to handle metric on submanifold?
answered
Dec 7, 2024
in
General questions
by
kasper
(
84.7k
points)
metric
submanifold
cadabra2
subspace
0
votes
0
answers
Cadabra in Jupyter notebook - how to store?
asked
Oct 20, 2024
in
General questions
by
amnon.willinger
(
400
points)
jupyter-notebook
cadabra2
+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)
eliminate_metric
+1
vote
2
answers
Factor out of numerical coefficient
answered
Jul 18, 2024
in
General questions
by
kasper
(
84.7k
points)
factor-out
factor-in
+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)
derivative
partial
+1
vote
1
answer
how to deal with lovelock gravity?
answered
Jun 24, 2024
in
General questions
by
doxdrum
(
15.3k
points)
python
+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)
cadabra-output
jupyter-notebook
latex
+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)
algorithms
metric
+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)
algorithms
metric
+1
vote
0
answers
convert other format to cadabra2 format
asked
Apr 24, 2024
in
General questions
by
eureka
(
2.2k
points)
sympy
0
votes
1
answer
function expand_power not work for fractional power
answered
Apr 24, 2024
in
General questions
by
eureka
(
2.2k
points)
powers
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