Recent questions tagged substitute

+1 vote

2 answers

Index replacement problem

asked Jan 10 in Bug reports by jorge (180 points)

+1 vote

1 answer

commuting variations and partial derivatives

asked Dec 30, 2022 in General questions by bulkilol (170 points)

+1 vote

1 answer

How can I invert the product rule nicely [where there are extra numerical factors]?

asked Dec 7, 2022 in General questions by Physics Cat (240 points)

+1 vote

1 answer

Weird behavior where kernel crashes when substituting expression, depending on how the expression is written

asked Dec 4, 2022 in Bug reports by jmlealdefreitas (130 points)

+1 vote

1 answer

Substitution $A \mapsto A + \delta_A$

asked Jul 29, 2022 in General questions by novice0516 (160 points)

+1 vote

1 answer

Substitution employing double overline accent?

asked Mar 3, 2022 in General questions by szynka

+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

Minus sign to index-dependent power

asked Jan 23, 2022 in General questions by melsophos (260 points)

0 votes

1 answer

Strange substitution behavior in Cadabra v1

asked Oct 1, 2021 in Bug reports by dbutter (540 points)

+1 vote

0 answers

Matching expressions with variable index ranges

asked Sep 20, 2021 in General questions by dbutter (540 points)

+1 vote

1 answer

Substitute Affected by Unrelated Expression Definition

asked Aug 24, 2021 in Bug reports by Simon (250 points)

0 votes

0 answers

Trouble with Dummy-Index Manipulation within Index Brackets and Partial Derivatives

asked Aug 24, 2021 in General questions by Simon (250 points)

0 votes

1 answer

use of substitute

asked Sep 29, 2019 in General questions by anonymous

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

some things about "substitute"

asked Mar 19, 2019 in General questions by eureka (1.2k points)

+1 vote

1 answer

How to evaluate components of covariant derivative

asked Aug 12, 2018 in General questions by rytimid (220 points)

+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)

0 votes

1 answer

Substitute and dummy indices manipulation

asked Jul 4, 2018 in Bug reports by doxdrum (10.3k points)

+1 vote

1 answer

Error in substitute command

asked Mar 15, 2018 in Bug reports by LeoBrewin (1.6k points)

0 votes

1 answer

Make substitute rename dummy repeated indices (when position=fixed)

asked Mar 1, 2017 in General questions by Bruno Le Floch

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