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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)
Recent questions in General questions
Recent questions in General questions
+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
0
votes
1
answer
whenever make Cadabra do lengthy calculations, I always get error on output
asked
Jan 2, 2019
in
General questions
by
anonymous
+1
vote
1
answer
collect_factors(_) for Symbol indices
asked
Dec 3, 2018
in
General questions
by
bosoko
(
260
points)
collect_factors
symbol
+1
vote
1
answer
Multiplying \sqrt{2} by 1/\sqrt{2} crashes the kernel unexpectedly
asked
Nov 19, 2018
in
General questions
by
Chris
(
160
points)
cadabra2
+1
vote
1
answer
AntiCommuting/SelfAntiCommuting only for different indices
asked
Nov 7, 2018
in
General questions
by
bosoko
(
260
points)
+1
vote
1
answer
drop_weight before distribute
asked
Oct 15, 2018
in
General questions
by
Kevin
(
250
points)
drop_weight
+2
votes
1
answer
Calculating determinants and traces
asked
Oct 10, 2018
in
General questions
by
Vuka
(
180
points)
cadabra2
determinant
trace
+2
votes
1
answer
Simple example showing differences between position=free, fixed and independent
asked
Sep 28, 2018
in
General questions
by
LeoBrewin
(
1.6k
points)
index-free-fixed-independent
0
votes
1
answer
Defining the Rarita-Schwinger action: Action outputs 0
asked
Aug 20, 2018
in
General questions
by
HL
+1
vote
1
answer
Partial derivative of exp()
asked
Aug 17, 2018
in
General questions
by
Mattia_Physics
(
410
points)
0
votes
1
answer
Is number_of_terms deprecated?
asked
Aug 16, 2018
in
General questions
by
Kevin
(
250
points)
number_of_terms
+1
vote
1
answer
How to evaluate components of covariant derivative
asked
Aug 12, 2018
in
General questions
by
rytimid
(
220
points)
evaluate
cadabra-gtk
cadabra2
substitute
0
votes
1
answer
Operator acting on tensors
asked
Aug 11, 2018
in
General questions
by
Kevin
+1
vote
1
answer
How to evaluate the tensor of energy momentum for provided metric anzatz and 4-velocity
asked
Aug 9, 2018
in
General questions
by
rytimid
(
220
points)
cadabra-gtk
cadabra2
substitute
evaluate
+2
votes
1
answer
Code for general Einstein field equations with diagonal metric anzatc
asked
Aug 7, 2018
in
General questions
by
rytimid
(
220
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
asked
Aug 6, 2018
in
General questions
by
rytimid
(
220
points)
derivative
unwrap
+1
vote
1
answer
how can i tell cadabra that the partial derivatives commute upto linear order while calculating Riemann Tensor
asked
Aug 1, 2018
in
General questions
by
Md Golam Mafuz
+1
vote
1
answer
Exponential series (or string type to expression type)
asked
Jul 24, 2018
in
General questions
by
ptikobj
(
180
points)
exponential
function
series
0
votes
1
answer
Edit the output
asked
Jul 14, 2018
in
General questions
by
yutasekiguchi
(
700
points)
output
result
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