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General questions
(159)
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(32)
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(67)
Recent questions and answers in General questions
Recent questions and answers in General questions
0
votes
1
answer
Apply an operator to an equation
answered
5 hours
ago
in
General questions
by
kasper
(
45.2k
points)
operator
0
votes
1
answer
Graded partial differential
answered
6 days
ago
in
General questions
by
kasper
(
45.2k
points)
selfanticommuting
partialderivative
0
votes
1
answer
Poincare example evaluated twice
answered
Jun 12
in
General questions
by
kasper
(
45.2k
points)
intro
notebooks
0
votes
1
answer
Using multiple notebooks
answered
Jun 12
in
General questions
by
kasper
(
45.2k
points)
0
votes
0
answers
definitions in cadabra
[closed]
asked
Jun 7
in
General questions
by
deepalimishra
(
160
points)
a1
a1_
a
b
k_
0
votes
0
answers
Functional dependence
asked
Jun 5
in
General questions
by
vnikoofard
(
1.1k
points)
depends
functional
+1
vote
0
answers
Defining a non-nilpotent `ExteriorDerivative`
asked
May 7
in
General questions
by
doxdrum
(
4k
points)
differential-forms
exterior-derivative
+1
vote
1
answer
A general covariant derivative
answered
Apr 26
in
General questions
by
kasper
(
45.2k
points)
covariant-derivatie
0
votes
1
answer
Dimensional reduction of a three form
answered
Apr 25
in
General questions
by
kasper
(
45.2k
points)
indices
symmetry
sort
0
votes
0
answers
Sorting indices of tensors
[closed]
asked
Apr 24
in
General questions
by
doxdrum
(
4k
points)
sort
tensor-components
indices
0
votes
0
answers
Dependence on a subspace - Possible???
asked
Apr 23
in
General questions
by
doxdrum
(
4k
points)
indices
subspace
split_index
0
votes
1
answer
Problem with substitution
answered
Apr 23
in
General questions
by
kasper
(
45.2k
points)
substitution-rule
cadabra2
cadabra-gtk
+1
vote
1
answer
How define a general tensor symmetry
answered
Apr 16
in
General questions
by
doxdrum
(
4k
points)
symmetry
+1
vote
1
answer
Symmetrise pairs of indices
answered
Apr 16
in
General questions
by
doxdrum
(
4k
points)
cadabra2
symmetry
0
votes
1
answer
what is the use of question mark postindices, how it changes contractions and symmetry properties of indices?
answered
Apr 8
in
General questions
by
kasper
(
45.2k
points)
+1
vote
2
answers
nested zoom/unzoom
answered
Apr 6
in
General questions
by
kasper
(
45.2k
points)
zoom-unzoom
+1
vote
1
answer
glob pattern in rules
answered
Mar 31
in
General questions
by
kasper
(
45.2k
points)
glob-patterns
+1
vote
1
answer
Is it possible to use "+/-" as indices?&How to define a commutator?
answered
Mar 24
in
General questions
by
kasper
(
45.2k
points)
indices
commutator
+1
vote
1
answer
Can I use any Greek alphabet as a spinor?
answered
Mar 21
in
General questions
by
kasper
(
45.2k
points)
0
votes
0
answers
some things about "substitute"
asked
Mar 19
in
General questions
by
Eureka
(
290
points)
substitute
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