Recent questions in General questions

Recent questions in General questions

+1 vote

1 answer

Replacing expressions in a matrix

asked Dec 27, 2023 in General questions by gpn (2.0k points)

+1 vote

1 answer

Displaying a matrix with matplotlib error "non-GUI backend"

asked Dec 25, 2023 in General questions by gpn (2.0k points)

+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)

+2 votes

1 answer

Partial derivative of a vector

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

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 (1.5k points)

+1 vote

1 answer

How AntiCommuting information is stored

asked Nov 21, 2023 in General questions 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)

+1 vote

1 answer

How could the partial derivatives be sorted?

asked Nov 8, 2023 in General questions by doxdrum (13.7k points)

+1 vote

1 answer

How to calculate the determinant of a tensor density?

asked Oct 27, 2023 in General questions by gpn (2.0k points)

0 votes

1 answer

How to change the order of two indexes in a complex statement

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

+1 vote

2 answers

Zooming in on a specific term and applying a rule

asked Oct 18, 2023 in General questions by gpn (2.0k points)

+1 vote

2 answers

Getting two terms with derivatives to form a product

asked Oct 15, 2023 in General questions by gpn (2.0k points)

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