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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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General questions
(352)
Feature requests
(31)
Installation trouble
(63)
Bug reports
(144)
Recent questions tagged indices
+1
vote
0
answers
Split free indices, and not just dummy indices.
asked
Sep 9, 2020
in
Feature requests
by
anonymous
indices
split_index
0
votes
0
answers
First derivative with multiple indices
asked
Jul 17, 2020
in
General questions
by
Mr. K
(
130
points)
derivative
indices
product_rule
0
votes
1
answer
convert the commutator of covariant derivatives acting on spinor into curvature
asked
Jul 6, 2020
in
General questions
by
Yi Zhang
(
200
points)
indices
commutator
covariant-derivatie
+1
vote
1
answer
Can indices be moved?
asked
Apr 9, 2020
in
General questions
by
anonymous
indices
0
votes
0
answers
Dealing with multi-index derivatives
asked
Nov 16, 2019
in
General questions
by
Montz
(
120
points)
indices
covariant-derivatie
gauge-theory
0
votes
0
answers
Manipulating matrix valued differential forms
asked
Aug 28, 2019
in
General questions
by
doxdrum
(
13.2k
points)
indices
differential-forms
subspace
canonicalise
sort_product
0
votes
0
answers
Differential forms --- on a subspace???
asked
Aug 22, 2019
in
General questions
by
doxdrum
(
13.2k
points)
indices
subspace
differential-forms
0
votes
1
answer
Substitution of tensors - Einstein equations
asked
Aug 16, 2019
in
General questions
by
doxdrum
(
13.2k
points)
tensor-components
indices
substitute
0
votes
0
answers
Derivatives depend on index position
asked
Aug 16, 2019
in
Bug reports
by
Karim
(
300
points)
partialderivative
indices
+1
vote
0
answers
Kronecker $\delta$ for Indices of different dimensions
asked
Aug 12, 2019
in
Bug reports
by
Lukas
(
130
points)
indices
kronecker-delta
+1
vote
0
answers
eliminate_kronecker() with index hierarchy
asked
Jul 20, 2019
in
General questions
by
Nils
indices
eliminate_kronecker
kronecker-delta
0
votes
1
answer
Exchange indices
asked
Jun 28, 2019
in
General questions
by
eureka
(
1.5k
points)
indices
+1
vote
0
answers
Action of sort_product depends on the choice of index
asked
May 16, 2019
in
Bug reports
by
Kevin
(
250
points)
cadabra-gtk
sort_product
indices
0
votes
1
answer
Dimensional reduction of a three form
asked
Apr 25, 2019
in
General questions
by
doxdrum
(
13.2k
points)
indices
symmetry
sort
0
votes
0
answers
Sorting indices of tensors
asked
Apr 24, 2019
in
General questions
by
doxdrum
(
13.2k
points)
sort
tensor-components
indices
0
votes
0
answers
Dependence on a subspace - Possible???
asked
Apr 23, 2019
in
General questions
by
doxdrum
(
13.2k
points)
indices
subspace
split_index
+1
vote
1
answer
Is it possible to use "+/-" as indices?&How to define a commutator?
asked
Mar 24, 2019
in
General questions
by
eureka
(
1.5k
points)
indices
commutator
+1
vote
2
answers
Variable can be handled like values?
asked
Jul 10, 2018
in
General questions
by
yutasekiguchi
(
700
points)
indices
contractions
gammamatrix
evaluate
0
votes
1
answer
Substitute and dummy indices manipulation
asked
Jul 4, 2018
in
Bug reports
by
doxdrum
(
13.2k
points)
tensor-components
substitute
indices
rename-indices
0
votes
1
answer
canonicalise() recognize symmetries
asked
Oct 14, 2017
in
Bug reports
by
Nils Alex
canonicalise
indices
sort
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