User jose

14 votes

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How can I show the relative size of two GeoGraphics objects?

answered Sep 6, 2016 at 2:00

3 votes

A problem about the integration of blackbody radiation law using FormulaData. QuantityVariable limits

answered Feb 2 at 19:17

3 votes

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Why are Christoffels vanishing depending on choice of basis (xAct)?

answered Jan 18 at 20:27

3 votes

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Evaluating covariant derivative terms of a scalar function (xAct, xTras)

answered Apr 4, 2021 at 17:39

2 votes

Define Conformal Metric in xAct

answered Nov 7, 2022 at 1:00

0 votes

"Symmetrize" shall symmetrize only tensor values $\ne 0$

answered Oct 11, 2022 at 3:35

2 votes

Distance to the ocean

answered Oct 5, 2022 at 23:34

4 votes

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Symmetric product

answered Sep 20, 2022 at 15:09

2 votes

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xAct rule for antisymmetrization

answered Sep 8, 2022 at 13:44

2 votes

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xAct define normalization

answered Aug 29, 2022 at 8:02

3 votes

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Commutation of the partial derivatives on scalar in xAct

answered May 31, 2022 at 0:23

3 votes

Counting multiple $-sign string indices in output and replacing them by normal indices

answered May 31, 2022 at 0:14

1 vote

xAct: How to identify and split module dummy indices?

answered May 31, 2022 at 0:01

4 votes

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Define functions on Geographic regions

answered May 30, 2022 at 23:41

7 votes

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Easiest way to obtain MeshRegion from CountryData

answered May 1, 2022 at 22:23

2 votes

in xAct, how to set the components of a tensor to be zero

answered Mar 28, 2022 at 17:02

6 votes

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Create a tensor with a well defined symmetry

answered Mar 28, 2022 at 15:26

0 votes

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xAct : how to define f to be a function of two variables?

answered Mar 17, 2022 at 14:41

2 votes

Location of the point on Earth with the Sun at the zenith

answered Feb 22, 2022 at 23:12

1 vote

Simple and efficient construction of tensor product operators

answered Feb 19, 2022 at 19:37

3 votes

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xAct xCoba: How to extract components of CTensors correctly

answered Nov 7, 2021 at 16:28

3 votes

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Dealing with covariant derivatives (xCoba)

answered Oct 8, 2021 at 20:28

2 votes

Format data consistently with Around

answered May 25, 2021 at 5:22

3 votes

Sorting Associations by DayName (day of week) using KeySort and/or KeySortBy

answered May 11, 2021 at 15:24

1 vote

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Neglecting higher order derivatives terms in xAct

answered Apr 4, 2021 at 16:47

5 votes

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How to delete duplicate graphics of the same kind?

answered Mar 1, 2021 at 20:01

6 votes

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Generate symmetric random tensor

answered Feb 7, 2021 at 19:29

9 votes

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Improving performace of `GeoDistance` and `NearestNeighborGraph`

answered Feb 4, 2021 at 9:30

7 votes

Rotate Geographic map

answered Jun 10, 2016 at 2:32

4 votes

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Self loop on CityData graph?

answered Jan 19, 2021 at 16:30

Stack Exchange Network

102 Answers

How can I show the relative size of two GeoGraphics objects?

A problem about the integration of blackbody radiation law using FormulaData. QuantityVariable limits

Why are Christoffels vanishing depending on choice of basis (xAct)?

Evaluating covariant derivative terms of a scalar function (xAct, xTras)

Define Conformal Metric in xAct

"Symmetrize" shall symmetrize only tensor values $\ne 0$

Distance to the ocean

Symmetric product

xAct rule for antisymmetrization

xAct define normalization

Commutation of the partial derivatives on scalar in xAct

Counting multiple $-sign string indices in output and replacing them by normal indices

xAct: How to identify and split module dummy indices?

Define functions on Geographic regions

Easiest way to obtain MeshRegion from CountryData

in xAct, how to set the components of a tensor to be zero

Create a tensor with a well defined symmetry

xAct : how to define f to be a function of two variables?

Location of the point on Earth with the Sun at the zenith

Simple and efficient construction of tensor product operators

xAct xCoba: How to extract components of CTensors correctly

Dealing with covariant derivatives (xCoba)

Format data consistently with Around

Sorting Associations by DayName (day of week) using KeySort and/or KeySortBy

Neglecting higher order derivatives terms in xAct

How to delete duplicate graphics of the same kind?

Generate symmetric random tensor

Improving performace of `GeoDistance` and `NearestNeighborGraph`

Rotate Geographic map

Self loop on CityData graph?