Recent questions tagged indices

+1 vote

1 answer

Incorrect Derivative Free Index Behaviour For User-Defined Symbols

asked Jan 27 in Bug reports by jjwoods264 (170 points)

+1 vote

2 answers

Incorrect behaviour of meld?

asked Jan 23 in Bug reports by jjwoods264 (170 points)

+1 vote

0 answers

Issue in sort_product() with AntiCommuting indices.

asked Aug 19, 2022 in Bug reports by ggold (130 points)

+1 vote

1 answer

Substitution employing double overline accent?

asked Mar 3, 2022 in General questions by szynka

+1 vote

1 answer

question regarding a rule involving partial derivative

asked Feb 14, 2022 in Feature requests by anupam1031 (650 points)

+2 votes

1 answer

converting partial derivative to covariant derivative

asked Feb 11, 2022 in General questions by anupam1031 (650 points)

+1 vote

1 answer

Why meld mixes different sets of variables?

asked Dec 7, 2021 in General questions by anonymous

0 votes

2 answers

Expansion of covariant derivative

asked Sep 24, 2021 in General questions by doxdrum (10.3k points)

+1 vote

0 answers

Only write out one index summation

asked Dec 18, 2020 in General questions by eureka (1.2k points)

+1 vote

1 answer

asked Nov 11, 2020 in General questions by Arina (840 points)

0 votes

2 answers

sign changed index splitting

asked Sep 20, 2020 in General questions by anonymous

+1 vote

0 answers

Split free indices, and not just dummy indices.

asked Sep 9, 2020 in Feature requests by anonymous

0 votes

0 answers

First derivative with multiple indices

asked Jul 17, 2020 in General questions by Mr. K (130 points)

0 votes

1 answer

convert the commutator of covariant derivatives acting on spinor into curvature

asked Jul 6, 2020 in General questions by Yi Zhang (200 points)

+1 vote

1 answer

Can indices be moved?

asked Apr 9, 2020 in General questions by anonymous

0 votes

0 answers

Dealing with multi-index derivatives

asked Nov 16, 2019 in General questions by Montz (120 points)

0 votes

0 answers

Manipulating matrix valued differential forms

asked Aug 28, 2019 in General questions by doxdrum (10.3k points)

0 votes

0 answers

Differential forms --- on a subspace???

asked Aug 22, 2019 in General questions by doxdrum (10.3k points)

0 votes

1 answer

Substitution of tensors - Einstein equations

asked Aug 16, 2019 in General questions by doxdrum (10.3k points)

0 votes

0 answers

Derivatives depend on index position

asked Aug 16, 2019 in Bug reports by Karim (300 points)

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