Question

How to to find coordinates of the center of a triangle in a $3$-d environment if the $x, y, z$ vertexes are known?

score 33 · Answer 1 · 2022-01-05 15:59:50

33

Views

How to to find coordinates of the center of a triangle in a $3$-d environment if the $x, y, z$ vertexes are known?

Published on 05 Jan 2022 - 15:59

score 46 · Answer 2 · 2022-01-31 01:00:03

46

Views

Generalized barycentric coordinates using only the H-representation (i.e., only facets, not vertices)

Published on 31 Jan 2022 - 1:00

score 125 · Answer 3 · 2022-02-06 16:50:24

125

Views

Help understanding the role of barycentric coordinates in affine mapping of reference element to actual element

Published on 06 Feb 2022 - 16:50

score 84 · Answer 4 · 2022-03-03 15:59:15

84

Views

Complex number / bary geometric problem in a cyclic quadrilateral

Published on 03 Mar 2022 - 15:59

score 89 · Answer 5 · 2022-03-07 17:05:46

89

Views

Points collinear with the orthocenter and incenter

Published on 07 Mar 2022 - 17:05

score 126 · Answer 6 · 2022-03-18 14:35:35

126

Views

Reduce 4 barycentric coordinates to 3, outside and inside of tetrahedron

Published on 18 Mar 2022 - 14:35

score 51 · Answer 7 · 2022-03-20 18:29:01

51

Views

Barycentric coordinates with respect to non affinely independent points

Published on 20 Mar 2022 - 18:29

score 26 · Answer 8 · 2022-03-29 14:29:42

26

Views

Expressing a 'zero-sum' ratio as a point in space? ( Eg. $1:-9:8$ )

Published on 29 Mar 2022 - 14:29

score 120 · Answer 9 · 2022-06-10 17:58:53

120

Views

Deriving barycentric coordinates of the isotomic conjugate

Published on 10 Jun 2022 - 17:58

score 104 · Answer 10 · 2022-08-17 19:11:11

104

Views

Test if point in 3D is above triangle using vertex normals

Published on 17 Aug 2022 - 19:11

score 63 · Answer 11 · 2022-08-24 13:02:57

63

Views

Can the coordinate axes be scaled differently in pure math?

Published on 24 Aug 2022 - 13:02

score 44 · Answer 12 · 2022-08-24 19:14:32

44

Views

If two coordinate axes are scaled differently, do all the formulas still work?

Published on 24 Aug 2022 - 19:14

score 121 · Answer 13 · 2022-09-19 16:08:45

121

Views

Given point/value pairs for the vertices of a tetrahedron, how do you get values for other points inside the tetrahedron?

Published on 19 Sep 2022 - 16:08

score 43 · Answer 14 · 2022-10-21 21:23:49

43

Views

On the Elements of Coordinate Geometry

Published on 21 Oct 2022 - 21:23

score 71 · Answer 15 · 2022-11-05 22:38:56

71

Views

deriving an explicit formula for barycentric subdivision of simplices

Published on 05 Nov 2022 - 22:38

List Question

How to to find coordinates of the center of a triangle in a $3$-d environment if the $x, y, z$ vertexes are known?

Generalized barycentric coordinates using only the H-representation (i.e., only facets, not vertices)

Help understanding the role of barycentric coordinates in affine mapping of reference element to actual element

Complex number / bary geometric problem in a cyclic quadrilateral

Points collinear with the orthocenter and incenter

Reduce 4 barycentric coordinates to 3, outside and inside of tetrahedron

Barycentric coordinates with respect to non affinely independent points

Expressing a 'zero-sum' ratio as a point in space? ( Eg. $1:-9:8$ )

Deriving barycentric coordinates of the isotomic conjugate

Test if point in 3D is above triangle using vertex normals

Can the coordinate axes be scaled differently in pure math?

If two coordinate axes are scaled differently, do all the formulas still work?

Given point/value pairs for the vertices of a tetrahedron, how do you get values for other points inside the tetrahedron?

On the Elements of Coordinate Geometry

deriving an explicit formula for barycentric subdivision of simplices

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