Recent questions

+1 vote

1 answer

Displaying components of the epsilon matrix

asked Dec 24, 2023 in General questions by gpn (2.0k points)

+1 vote

1 answer

LaTeXForm expansion fails with "free indices do not match"

asked Dec 22, 2023 in General questions by gpn (2.0k points)

+1 vote

2 answers

How to collect terms containing derivatives

asked Dec 15, 2023 in General questions by alonli (160 points)

+1 vote

1 answer

Negative powers of 0

asked Dec 12, 2023 in Bug reports by Arina (1.7k points)

+2 votes

1 answer

Partial derivative of a vector

asked Dec 6, 2023 in General questions by annamalai (180 points)

+1 vote

1 answer

meld sets to zero when it shouldn't?

asked Dec 5, 2023 in Bug reports by gpn (2.0k points)

+1 vote

2 answers

A vector-field basis of derivatives?

asked Dec 4, 2023 in General questions by gpn (2.0k points)

+1 vote

2 answers

Avoiding index classes when handling ExNodes

asked Dec 2, 2023 in General questions by dbutter (1.0k points)

+1 vote

1 answer

Manually fiddling with multiplier on \sum

asked Dec 1, 2023 in Bug reports by dbutter (1.0k points)

+1 vote

0 answers

Efficiency in python vs cadabra for long substitution rules

asked Nov 30, 2023 in General questions by dbutter (1.0k points)

+1 vote

0 answers

Hodge dual in exterior calculus

asked Nov 29, 2023 in General questions by eschnett (130 points)

+1 vote

1 answer

Trigonometric and hyperbolic functions

asked Nov 29, 2023 in General questions by Arina (1.7k points)

+1 vote

1 answer

WeightInherit type=additive thinks operator is \sum

asked Nov 29, 2023 in Bug reports by dbutter (1.0k points)

+1 vote

1 answer

substitute crashes with empty replacement rule

asked Nov 26, 2023 in Bug reports by dbutter (1.0k points)

+1 vote

1 answer

Bug with Ex.matches() for indices in opposite positions

asked Nov 26, 2023 in Bug reports by dbutter (1.0k points)

+1 vote

1 answer

How AntiCommuting information is stored

asked Nov 21, 2023 in General questions by dbutter (1.0k points)

+1 vote

1 answer

Empty expressions fail to match

asked Nov 20, 2023 in Bug reports by dbutter (1.0k points)

0 votes

1 answer

Differentiate a propagator

asked Nov 17, 2023 in General questions by gpn (2.0k points)

+1 vote

2 answers

How to implement a zoom-sensitive algorithm

asked Nov 13, 2023 in General questions by gpn (2.0k points)

0 votes

1 answer

eliminate_vielbein "eliminates" with a Minkowski metric

asked Nov 10, 2023 in General questions by gpn (2.0k points)

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