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General questions
(136)
Feature requests
(10)
Installation trouble
(32)
Bug reports
(59)
Recent questions and answers in General questions
Recent questions and answers in General questions
0
votes
0
answers
Examles of using Cadabra for superspace calculations.
asked
Feb 1
in
General questions
by
Nikita
(
120
points)
supersymmetry
superspace
grassman
0
votes
1
answer
Curved and Flat Indices
answered
Jan 31
in
General questions
by
kasper
(
39.3k
points)
0
votes
1
answer
Please show a simple example showing difference b/w Indices(curved) and Indices(flat).
answered
Jan 29
in
General questions
by
kasper
(
39.3k
points)
0
votes
1
answer
Substitute Christoffel2nd into Dual Riemann tensor
answered
Jan 27
in
General questions
by
kasper
(
39.3k
points)
0
votes
1
answer
Correlation functions, Wick theorem and summation
answered
Jan 12
in
General questions
by
kasper
(
39.3k
points)
scalar-computation
summation
wick-theorem
0
votes
1
answer
whenever make Cadabra do lengthy calculations, I always get error on output
answered
Jan 2
in
General questions
by
kasper
(
39.3k
points)
0
votes
1
answer
collect_factors(_) for Symbol indices
answered
Dec 3, 2018
in
General questions
by
kasper
(
39.3k
points)
collect_factors
symbol
+2
votes
1
answer
Calculating determinants and traces
answered
Nov 23, 2018
in
General questions
by
kasper
(
39.3k
points)
cadabra2
determinant
trace
+2
votes
1
answer
Simple example showing differences between position=free, fixed and independent
answered
Nov 23, 2018
in
General questions
by
kasper
(
39.3k
points)
index-free-fixed-independent
0
votes
1
answer
Multiplying \sqrt{2} by 1/\sqrt{2} crashes the kernel unexpectedly
answered
Nov 19, 2018
in
General questions
by
kasper
(
39.3k
points)
cadabra2
0
votes
1
answer
AntiCommuting/SelfAntiCommuting only for different indices
answered
Nov 12, 2018
in
General questions
by
kasper
(
39.3k
points)
0
votes
1
answer
drop_weight before distribute
answered
Oct 15, 2018
in
General questions
by
kasper
(
39.3k
points)
drop_weight
0
votes
1
answer
Defining the Rarita-Schwinger action: Action outputs 0
answered
Aug 20, 2018
in
General questions
by
kasper
(
39.3k
points)
+1
vote
1
answer
Partial derivative of exp()
answered
Aug 17, 2018
in
General questions
by
kasper
(
39.3k
points)
0
votes
1
answer
Is number_of_terms deprecated?
answered
Aug 16, 2018
in
General questions
by
kasper
(
39.3k
points)
number_of_terms
+1
vote
1
answer
How to evaluate components of covariant derivative
answered
Aug 12, 2018
in
General questions
by
kasper
(
39.3k
points)
evaluate
cadabra-gtk
cadabra2
substitute
0
votes
1
answer
Operator acting on tensors
answered
Aug 11, 2018
in
General questions
by
kasper
(
39.3k
points)
+1
vote
1
answer
How to evaluate the tensor of energy momentum for provided metric anzatz and 4-velocity
answered
Aug 9, 2018
in
General questions
by
kasper
(
39.3k
points)
cadabra-gtk
cadabra2
substitute
evaluate
+1
vote
1
answer
Code for general Einstein field equations with diagonal metric anzatc
answered
Aug 8, 2018
in
General questions
by
kasper
(
39.3k
points)
derivative
cadabra-gtk
cadabra2
einstein-equations
evaluate-components
0
votes
1
answer
Unwrap applied on expresion with partial derivative and two single variable functions
answered
Aug 6, 2018
in
General questions
by
kasper
(
39.3k
points)
derivative
unwrap
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