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General questions
(130)
Feature requests
(9)
Installation trouble
(29)
Bug reports
(58)
Recent questions and answers in General questions
Recent questions and answers in General questions
0
votes
1
answer
collect_factors(_) for Symbol indices
answered
Dec 3
in
General questions
by
kasper
(
37.9k
points)
collect_factors
symbol
+2
votes
1
answer
Calculating determinants and traces
answered
Nov 23
in
General questions
by
kasper
(
37.9k
points)
cadabra2
determinant
trace
+1
vote
1
answer
Simple example showing differences between position=free, fixed and independent
answered
Nov 23
in
General questions
by
kasper
(
37.9k
points)
index-free-fixed-independent
0
votes
1
answer
Multiplying \sqrt{2} by 1/\sqrt{2} crashes the kernel unexpectedly
answered
Nov 19
in
General questions
by
kasper
(
37.9k
points)
cadabra2
0
votes
1
answer
AntiCommuting/SelfAntiCommuting only for different indices
answered
Nov 12
in
General questions
by
kasper
(
37.9k
points)
0
votes
1
answer
drop_weight before distribute
answered
Oct 15
in
General questions
by
kasper
(
37.9k
points)
drop_weight
0
votes
1
answer
Defining the Rarita-Schwinger action: Action outputs 0
answered
Aug 20
in
General questions
by
kasper
(
37.9k
points)
+1
vote
1
answer
Partial derivative of exp()
answered
Aug 17
in
General questions
by
kasper
(
37.9k
points)
0
votes
1
answer
Is number_of_terms deprecated?
answered
Aug 16
in
General questions
by
kasper
(
37.9k
points)
number_of_terms
+1
vote
1
answer
How to evaluate components of covariant derivative
answered
Aug 12
in
General questions
by
kasper
(
37.9k
points)
evaluate
cadabra-gtk
cadabra2
substitute
0
votes
1
answer
Operator acting on tensors
answered
Aug 11
in
General questions
by
kasper
(
37.9k
points)
+1
vote
1
answer
How to evaluate the tensor of energy momentum for provided metric anzatz and 4-velocity
answered
Aug 9
in
General questions
by
kasper
(
37.9k
points)
cadabra-gtk
cadabra2
substitute
evaluate
+1
vote
1
answer
Code for general Einstein field equations with diagonal metric anzatc
answered
Aug 8
in
General questions
by
kasper
(
37.9k
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
in
General questions
by
kasper
(
37.9k
points)
derivative
unwrap
0
votes
1
answer
how can i tell cadabra that the partial derivatives commute upto linear order while calculating Riemann Tensor
answered
Aug 1
in
General questions
by
kasper
(
37.9k
points)
+1
vote
1
answer
Exponential series (or string type to expression type)
answered
Jul 24
in
General questions
by
kasper
(
37.9k
points)
exponential
function
series
0
votes
1
answer
Edit the output
answered
Jul 14
in
General questions
by
kasper
(
37.9k
points)
output
result
0
votes
1
answer
Variable can be handled like values?
answered
Jul 10
in
General questions
by
kasper
(
37.9k
points)
indices
contractions
gammamatrix
evaluate
+1
vote
1
answer
How can I implement cyclicity of trace?
answered
Jul 4
in
General questions
by
doxdrum
(
3k
points)
trace
+1
vote
1
answer
Gamma_5 matrix
answered
Jul 3
in
General questions
by
doxdrum
(
3k
points)
gammamatrix
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