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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
(353)
Feature requests
(32)
Installation trouble
(63)
Bug reports
(146)
Hot questions
+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
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
+1
vote
1
answer
Manually fiddling with multiplier on \sum
asked
Dec 1, 2023
in
Bug reports
by
dbutter
(
1.0k
points)
summation
+1
vote
0
answers
Efficiency in python vs cadabra for long substitution rules
asked
Nov 30, 2023
in
General questions
by
dbutter
(
1.0k
points)
+1
vote
1
answer
Trigonometric and hyperbolic functions
asked
Nov 29, 2023
in
General questions
by
Arina
(
1.4k
points)
trigonometric
functions
+1
vote
1
answer
WeightInherit type=additive thinks operator is \sum
asked
Nov 29, 2023
in
Bug reports
by
dbutter
(
1.0k
points)
weight_inherit
+1
vote
0
answers
Hodge dual in exterior calculus
asked
Nov 29, 2023
in
General questions
by
eschnett
(
130
points)
exterior-calculus
hodge
hodge-dual
+1
vote
1
answer
substitute crashes with empty replacement rule
asked
Nov 26, 2023
in
Bug reports
by
dbutter
(
1.0k
points)
substitution
bug-report
+1
vote
1
answer
How AntiCommuting information is stored
asked
Nov 21, 2023
in
General questions
by
dbutter
(
1.0k
points)
anticommuting
+1
vote
1
answer
Empty expressions fail to match
asked
Nov 20, 2023
in
Bug reports
by
dbutter
(
1.0k
points)
bug-report
+1
vote
2
answers
How to implement a zoom-sensitive algorithm
asked
Nov 13, 2023
in
General questions
by
gpn
(
2.0k
points)
algorithms
zoom-unzoom
+2
votes
3
answers
Problem with substitute and powers
asked
Oct 31, 2023
in
Bug reports
by
Bruno
(
180
points)
substitution
expand_power
0
votes
1
answer
Differentiate a propagator
asked
Nov 17, 2023
in
General questions
by
gpn
(
2.0k
points)
0
votes
1
answer
eliminate_vielbein "eliminates" with a Minkowski metric
asked
Nov 10, 2023
in
General questions
by
gpn
(
2.0k
points)
eliminate_vielbein
+1
vote
1
answer
How could the partial derivatives be sorted?
asked
Nov 8, 2023
in
General questions
by
doxdrum
(
13.6k
points)
substitute
partialderivative
algorithms
sort
+1
vote
1
answer
How to calculate the determinant of a tensor density?
asked
Oct 27, 2023
in
General questions
by
gpn
(
2.0k
points)
algorithms
determinant
+1
vote
2
answers
Zooming in on a specific term and applying a rule
asked
Oct 18, 2023
in
General questions
by
gpn
(
2.0k
points)
partialderivative
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
Substitution after map_sympy(*, 'simplify')
asked
Oct 25, 2023
in
Bug reports
by
Arina
(
1.4k
points)
substitution-rule
substitute
sympy
map_sympy
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
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