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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
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Feature requests
(32)
Installation trouble
(63)
Bug reports
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0
votes
1
answer
evaluate() returns RuntimeError when using the explicit value of an index
asked
Jan 4
in
General questions
by
gpn
(
2.0k
points)
epsilon-tensor
evaluate-components
+1
vote
1
answer
derivatives with two indices
asked
Jan 18
in
General questions
by
bduboeuf
(
130
points)
derivative
multiple
indices
+1
vote
1
answer
InverseMetric is not symmetric?
asked
Oct 23, 2023
in
Bug reports
by
gpn
(
2.0k
points)
indices
inversemetric
symmetry
+1
vote
1
answer
LaTeXForm expansion fails with "free indices do not match"
asked
Dec 22, 2023
in
General questions
by
gpn
(
2.0k
points)
latexform
runtime-error
+1
vote
2
answers
How to collect terms containing derivatives
asked
Dec 15, 2023
in
General questions
by
alonli
(
160
points)
collect_terms
partialderivative
0
votes
0
answers
Dependence on a subspace - Possible???
asked
Apr 23, 2019
in
General questions
by
doxdrum
(
13.7k
points)
indices
subspace
split_index
+1
vote
1
answer
Display "hand-made" latex
asked
Dec 29, 2023
in
General questions
by
gpn
(
2.0k
points)
latex
+1
vote
0
answers
Non-Leibniz differential operators
asked
Feb 18, 2021
in
General questions
by
andreas
(
320
points)
operators
+1
vote
1
answer
meld returns zero where it shouldn't?
asked
Feb 5
in
Bug reports
by
dbutter
(
1.0k
points)
meld
0
votes
0
answers
Meld on undistributed input
asked
Jul 15, 2020
in
Bug reports
by
Liwott
(
200
points)
meld
+1
vote
1
answer
How AntiCommuting information is stored
asked
Nov 21, 2023
in
General questions
by
dbutter
(
1.0k
points)
anticommuting
+1
vote
0
answers
Lie derivative in Cadabra
asked
Aug 22, 2023
in
General questions
by
amnon.willinger
(
380
points)
indices
dummy-indices
partial
programming
+1
vote
1
answer
how to swap indices for partial derivatives
asked
Mar 19
in
General questions
by
bin_go
(
140
points)
indices
derivative
swap
0
votes
1
answer
How to change the order of two indexes in a complex statement
asked
Oct 24, 2023
in
General questions
by
gpn
(
2.0k
points)
symmetry
+1
vote
1
answer
meld sets to zero when it shouldn't?
asked
Dec 5, 2023
in
Bug reports
by
gpn
(
2.0k
points)
meld
canonicalize
+1
vote
1
answer
Simplification of sum of terms r a^m + s a^m to (r+s)a^m
asked
Jan 1
in
General questions
by
Eric
(
130
points)
creation
annihilation
operators
ladder
0
votes
1
answer
Question about Installation of Cadabra on Ubuntu&Conda
asked
Mar 22
in
Installation trouble
by
Photon
(
180
points)
+1
vote
1
answer
Operations with fractional powers of negative numbers
asked
Jan 16
in
Bug reports
by
Arina
(
1.4k
points)
powers
+1
vote
1
answer
Interaction between 'canonicalise' and vector spinors
asked
Jan 11
in
Bug reports
by
Lactose
(
140
points)
+1
vote
2
answers
A vector-field basis of derivatives?
asked
Dec 4, 2023
in
General questions
by
gpn
(
2.0k
points)
scalar-field
vector-field
partialderivative
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