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General questions
(288)
Feature requests
(25)
Installation trouble
(54)
Bug reports
(115)
Recent questions and answers in General questions
Recent questions and answers in General questions
+1
vote
1
answer
The sign of the Tides tensor is incorrect
answered
Sep 28
in
General questions
by
Gabriel Ribeiro
(
170
points)
riemann-tensor
tensor-components
tides-tensor
+1
vote
0
answers
How to add new properties: "Normal" and "Othogonal"
asked
Sep 23
in
General questions
by
amnon.willinger
(
290
points)
properties
programming
contractions
+1
vote
0
answers
Questions about KroneckerDelta
asked
Sep 13
in
General questions
by
zhaozhh
(
130
points)
kronecker-delta
+1
vote
3
answers
Adjoint Spinor subscript Labels
answered
Aug 9
in
General questions
by
kasper
(
66.3k
points)
spinors
+1
vote
2
answers
Variable can be handled like values?
answered
Aug 5
in
General questions
by
doxdrum
(
8.6k
points)
indices
contractions
gammamatrix
evaluate
+1
vote
1
answer
Substitution $A \mapsto A + \delta_A$
answered
Aug 1
in
General questions
by
doxdrum
(
8.6k
points)
substitute
substitution-rule
+1
vote
1
answer
doubt about how to make assumptions in multiple files
answered
May 21
in
General questions
by
kasper
(
66.3k
points)
+1
vote
1
answer
Substitution employing double overline accent?
answered
Mar 3
in
General questions
by
kasper
(
66.3k
points)
substitute
indices
substitution-rule
0
votes
1
answer
issue installing on mac
answered
Feb 21
in
General questions
by
kasper
(
66.3k
points)
+2
votes
1
answer
converting partial derivative to covariant derivative
answered
Feb 11
in
General questions
by
kasper
(
66.3k
points)
indices
covariant-derivative
substitute
+1
vote
1
answer
Question about eliminate metric
answered
Feb 4
in
General questions
by
kasper
(
66.3k
points)
eliminate_metric
metric
+1
vote
1
answer
copy the output and feed as another input
answered
Jan 30
in
General questions
by
kasper
(
66.3k
points)
+1
vote
1
answer
diffrentiation of an expression
answered
Jan 29
in
General questions
by
kasper
(
66.3k
points)
simplification
cadabra2
+1
vote
1
answer
simplifying expression
answered
Jan 29
in
General questions
by
anupam1031
(
650
points)
simplification
+1
vote
1
answer
Minus sign to index-dependent power
answered
Jan 23
in
General questions
by
kasper
(
66.3k
points)
numbers
substitute
+1
vote
1
answer
Redefining a function
answered
Jan 2
in
General questions
by
kasper
(
66.3k
points)
+1
vote
1
answer
Why meld mixes different sets of variables?
[closed]
answered
Dec 7, 2021
in
General questions
by
kasper
(
66.3k
points)
meld
indices
0
votes
1
answer
Expansion of covariant derivative
answered
Oct 21, 2021
in
General questions
by
Arina
(
690
points)
indices
python-functions
expand
covariant-derivative
+1
vote
2
answers
Run cadabra kernel in colab
answered
Oct 17, 2021
in
General questions
by
kasper
(
66.3k
points)
jupyter-notebook
cloud
+1
vote
0
answers
Metric after coordinate transformation
asked
Sep 26, 2021
in
General questions
by
amnon.willinger
(
290
points)
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