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Recent questions in General questions
Recent questions in General questions
0
votes
0
answers
Sorting indices of tensors
[closed]
asked
Apr 24, 2019
in
General questions
by
doxdrum
(
15.4k
points)
sort
tensor-components
indices
0
votes
0
answers
Dependence on a subspace - Possible???
asked
Apr 23, 2019
in
General questions
by
doxdrum
(
15.4k
points)
indices
subspace
split_index
0
votes
1
answer
Problem with substitution
asked
Apr 23, 2019
in
General questions
by
doxdrum
(
15.4k
points)
substitution-rule
cadabra2
cadabra-gtk
0
votes
1
answer
what is the use of question mark postindices, how it changes contractions and symmetry properties of indices?
asked
Apr 8, 2019
in
General questions
by
anonymous
+1
vote
2
answers
nested zoom/unzoom
asked
Apr 6, 2019
in
General questions
by
LeoBrewin
(
2.1k
points)
zoom-unzoom
+1
vote
1
answer
Symmetrise pairs of indices
asked
Apr 1, 2019
in
General questions
by
lgtrombetta
(
130
points)
cadabra2
symmetry
+1
vote
1
answer
glob pattern in rules
asked
Mar 31, 2019
in
General questions
by
LeoBrewin
(
2.1k
points)
glob-patterns
+1
vote
1
answer
How define a general tensor symmetry
asked
Mar 25, 2019
in
General questions
by
Michal
symmetry
+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
(
2.2k
points)
indices
commutator
+1
vote
1
answer
Can I use any Greek alphabet as a spinor?
asked
Mar 21, 2019
in
General questions
by
mpatra91
(
170
points)
0
votes
0
answers
some things about "substitute"
asked
Mar 19, 2019
in
General questions
by
eureka
(
2.2k
points)
substitute
0
votes
1
answer
How to use \dagger ?
asked
Mar 17, 2019
in
General questions
by
eureka
(
2.2k
points)
dagger
evaluate
0
votes
1
answer
NameError: name 'dsolve' is not defined At: <string>(7)
asked
Mar 16, 2019
in
General questions
by
eureka
(
2.2k
points)
sympy
0
votes
0
answers
Sort product with symbols
asked
Mar 13, 2019
in
General questions
by
virgilbaran
(
190
points)
+1
vote
1
answer
How to bypass triple index error for symbols?
asked
Feb 25, 2019
in
General questions
by
virgilbaran
(
190
points)
triple-index
+1
vote
0
answers
Examles of using Cadabra for superspace calculations.
asked
Feb 1, 2019
in
General questions
by
Nikita
(
130
points)
supersymmetry
superspace
grassman
+1
vote
1
answer
Curved and Flat Indices
asked
Jan 31, 2019
in
General questions
by
Kasmaria
+1
vote
1
answer
Please show a simple example showing difference b/w Indices(curved) and Indices(flat).
asked
Jan 29, 2019
in
General questions
by
Kasmaria
+1
vote
1
answer
Substitute Christoffel2nd into Dual Riemann tensor
asked
Jan 27, 2019
in
General questions
by
Aleksander
(
270
points)
0
votes
1
answer
Correlation functions, Wick theorem and summation
asked
Jan 6, 2019
in
General questions
by
vnikoofard
(
1.1k
points)
scalar-computation
summation
wick-theorem
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