Recent questions

Recent questions

+1 vote

1 answer

Partial derivative of a vector

asked 2 days ago in General questions by annamalai (170 points)

+1 vote

1 answer

meld sets to zero when it shouldn't?

asked 3 days ago in Bug reports by gpn (1.4k points)

+1 vote

2 answers

A vector-field basis of derivatives?

asked 4 days ago in General questions by gpn (1.4k points)

+1 vote

2 answers

Avoiding index classes when handling ExNodes

asked Dec 2 in General questions by dbutter (970 points)

+1 vote

1 answer

Manually fiddling with multiplier on \sum

asked Dec 1 in Bug reports by dbutter (970 points)

+1 vote

0 answers

Efficiency in python vs cadabra for long substitution rules

asked Nov 30 in General questions by dbutter (970 points)

+1 vote

0 answers

Hodge dual in exterior calculus

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

+1 vote

1 answer

Trigonometric and hyperbolic functions

asked Nov 29 in General questions by Arina (970 points)

+1 vote

1 answer

WeightInherit type=additive thinks operator is \sum

asked Nov 29 in Bug reports by dbutter (970 points)

+1 vote

1 answer

substitute crashes with empty replacement rule

asked Nov 26 in Bug reports by dbutter (970 points)

+1 vote

1 answer

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

asked Nov 26 in Bug reports by dbutter (970 points)

+1 vote

1 answer

How AntiCommuting information is stored

asked Nov 21 in General questions by dbutter (970 points)

+1 vote

1 answer

Empty expressions fail to match

asked Nov 20 in Bug reports by dbutter (970 points)

0 votes

1 answer

Differentiate a propagator

asked Nov 17 in General questions by gpn (1.4k points)

+1 vote

2 answers

How to implement a zoom-sensitive algorithm

asked Nov 13 in General questions by gpn (1.4k points)

0 votes

1 answer

eliminate_vielbein "eliminates" with a Minkowski metric

asked Nov 10 in General questions by gpn (1.4k points)

+1 vote

1 answer

How could the partial derivatives be sorted?

asked Nov 8 in General questions by doxdrum (12.6k points)

+2 votes

3 answers

Problem with substitute and powers

asked Oct 31 in Bug reports by Bruno (180 points)

+1 vote

1 answer

How to calculate the determinant of a tensor density?

asked Oct 27 in General questions by gpn (1.4k points)

+1 vote

1 answer

Substitution after map_sympy(*, 'simplify')

asked Oct 25 in Bug reports by Arina (970 points)

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