Group Abstract Group Abstract

«Groups
Geometry
Join
Polyhedron, knot, and lattice data, graphics primitives, finding nearest neighbors or shortest paths, geometric transformations, importing geometry, modeling, and CAD data formats...

Discussions List Discussions List

What's a steradian?

CONTRIBUTED BY: Bill Gosper | 4 years ago BY: Daniel Lichtblau
Staff Picks , Algebra , Computer-Based Maths , Equation Solving , ...
2
REPLIES
7.4K
VIEWS

Missing 3D graphic inside plot?

QUESTION FROM: Ser Man | 4 years ago BY: Ser Man
Geometry , Graphics and Visualization , Mathematics , Wolfram Language
5
REPLIES
4.3K
VIEWS

Arlequin: double Images and the genius of Salvador Dalí

CONTRIBUTED BY: Erik Mahieu | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Geometry , Graphics and Visualization , ...
2
REPLIES
10.8K
VIEWS

Growing rhombic hexecontahedron from rhombic triacontahedron

CONTRIBUTED BY: Sandor Kabai | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Demonstrations , Dynamic Interactivity , Geometry , ...
1
REPLIES
5.7K
VIEWS

Plot parametric 4D by Mathematica

CONTRIBUTED BY: pil woo lee | 4 years ago BY: pil woo lee
Calculus , Geometry , Graphics and Visualization , Mathematics , ...
2
REPLIES
5.8K
VIEWS

Volume relation between regular octahedron & tetrahedron: visual proof

CONTRIBUTED BY: Sandor Kabai | 3 years ago BY: Sandor Kabai
Staff Picks , Demonstrations , Dynamic Interactivity , Geometry , ...
2
REPLIES
6.8K
VIEWS

Creating a surface over a certain area

QUESTION FROM: micheal yousri | 4 years ago BY: Rohit Namjoshi
Geometry , Graphics and Visualization , Mathematics , Wolfram Language
5
REPLIES
3.2K
VIEWS

Identity zones of the "isodynamic map"

CONTRIBUTED BY: Dan Reznik | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Dynamic Interactivity , Geometry , ...
1
REPLIES
6.3K
VIEWS

Wallace-Bolyai-Gerwien theorem for triangles and rectangles

CONTRIBUTED BY: Sandor Kabai | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Demonstrations , Dynamic Interactivity , Geometry , ...
2
REPLIES
7.5K
VIEWS

Fractal tetrahedra (Mitsubishi logo in 3D)

CONTRIBUTED BY: Sandor Kabai | 3 years ago BY: Sandor Kabai
Staff Picks , Demonstrations , Dynamic Interactivity , Geometry , ...
2
REPLIES
6.6K
VIEWS

Apollonius, Thales' theorem and Orthic triangle

CONTRIBUTED BY: Shenghui Yang | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Computer-Based Maths , Education , Geometry , ...
2
REPLIES
10.7K
VIEWS

Perspective anamorphism and the ambiguous garage roof

CONTRIBUTED BY: Erik Mahieu | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Geometry , Graphics and Visualization , Optics , ...
2
REPLIES
9.3K
VIEWS

Tennis racket (Dzhanibekov) effect: torque-free rotational motion

CONTRIBUTED BY: Christian Peterson | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Dynamic Interactivity , Geometry , ...
2
REPLIES
10.8K
VIEWS

SpaceGroupIrep: tool set for irreducible representations of space group

CONTRIBUTED BY: Gui-Bin Liu | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Algebra , Geometry , Mathematica Add-Ons , ...
1
REPLIES
6.7K
VIEWS

Dynamics of the circumcenter map over triangles

CONTRIBUTED BY: Dan Reznik | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Dynamic Interactivity , Events & Media , Geometry , ...
1
REPLIES
8.1K
VIEWS

Descarta2D package for Mathematica 7 is needed

QUESTION FROM: Chiel Geeraert | 4 years ago BY: Chiel Geeraert
Geometry , Mathematica , Packages , Wolfram Language
2
REPLIES
6.4K
VIEWS

Built-in symbols and functions for numerical 3D geometry?

QUESTION FROM: Richard Frost | 4 years ago BY: Richard Frost
Geometry , Graphics and Visualization , Wolfram Language
8
REPLIES
7.1K
VIEWS

RegionUnion of 4 polygons not working in NSolve?

QUESTION FROM: Erik Mahieu | 4 years ago BY: Erik Mahieu
Geometry , Graphics and Visualization , Wolfram Language
6
REPLIES
4.2K
VIEWS

How to define Grad function?

QUESTION FROM: KRISHAN SHARMA | 4 years ago BY: Dent de Lion
Algebra , Calculus , Geometry , Mathematics , Physics , ...
1
REPLIES
7.6K
VIEWS

Topological skeletons: continuous medial axis using Voronoi meshes

CONTRIBUTED BY: Christopher Wolfram | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Curated Data , Geographic Information System , ...
4
REPLIES
14.6K
VIEWS

Cutting a cuboid with a plane

QUESTION FROM: agilicz | 4 years ago BY: agilicz
Geometry , Graphics and Visualization , Mathematics , Wolfram Language
10
REPLIES
7.5K
VIEWS

[GIF] Around the Bend (Rotating regular polygons)

CONTRIBUTED BY: Clayton Shonkwiler | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Geometry , Graphics and Visualization , Visual Arts , ...
2
REPLIES
9.8K
VIEWS

RegionIntersection of lines and circles

QUESTION FROM: Janos Lobb | 4 years ago BY: Janos Lobb
Geometry , Graphics and Visualization , Wolfram Language
2
REPLIES
5.7K
VIEWS

Power of point and hyperbola in a Sharygin 2021 geometry problem

CONTRIBUTED BY: Shenghui Yang | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Computer-Based Maths , Dynamic Interactivity , ...
1
REPLIES
8.8K
VIEWS

Calculating the integral of a uniform Disk?

QUESTION FROM: nani khan | 4 years ago BY: nani khan
Calculus , Geometry , Mathematics , Wolfram Language
6
REPLIES
4.2K
VIEWS

Transformation matrix to align cylinder with cube?

QUESTION FROM: Brian OBrien | 4 years ago BY: Brian OBrien
Geometry , Mathematics , Wolfram Language
2
REPLIES
4.2K
VIEWS

TransformedField[] with transformation "Cylindrical" -> "Cartesian"

QUESTION FROM: Ehud Behar | 4 years ago BY: Gianluca Gorni
Geometry , Mathematics , Wolfram Language
1
REPLIES
4K
VIEWS

Merge two cubes. (Cuboctahedron)

QUESTION FROM: Brian OBrien | 4 years ago BY: Hans Milton
Geometry , Graphics and Visualization , Wolfram Language
5
REPLIES
4.9K
VIEWS

Using a table of rotation matrices to get rotated lines?

QUESTION FROM: Brian OBrien | 4 years ago BY: Gianluca Gorni
Geometry , Mathematics , Wolfram Language
2
REPLIES
4.1K
VIEWS

How big can Y be? A calculus problem and affine transformation.

CONTRIBUTED BY: Shenghui Yang | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Calculus , Computer-Based Maths , ...
1
REPLIES
8.8K
VIEWS

How do I get CircleThrough to find a circle?

QUESTION FROM: Eric Mohs | 4 years ago BY: Gianluca Gorni
Geometry , Graphics and Visualization , Wolfram Language
1
REPLIES
3.1K
VIEWS

Surprising Reflections in a Spherical Mirror

CONTRIBUTED BY: Erik Mahieu | 4 years ago BY: EDITORIAL BOARD
Staff Picks , 3D Printing , Geometry , Graphics and Visualization , ...
1
REPLIES
8.5K
VIEWS

3D printing Wolfram Models

CONTRIBUTED BY: Tuomas Sorakivi | 4 years ago
3D Printing , Geometry , Graphics and Visualization , ...
0
REPLIES
5.3K
VIEWS

[GIF] Ribbons of three materials: splines, neural nets & contour surfaces

CONTRIBUTED BY: Silvia Hao | 4 years ago BY: Silvia Hao
Staff Picks , Artificial Intelligence , Data Science , Geometry , ...
7
REPLIES
17.3K
VIEWS

Spherical coordinates to cartesian coordinates

QUESTION FROM: Yeso Alde | 4 years ago BY: Hans Dolhaine
Geometry , Mathematics , Wolfram Language
4
REPLIES
4.9K
VIEWS

Celtic Braid

QUESTION FROM: Oliver Seipel | 4 years ago
Geometry , Graphics and Visualization , Visual Arts , Wolfram Language
0
REPLIES
3.2K
VIEWS

Using entropy to estimate the dimension of the Sierpinski triangle

CONTRIBUTED BY: Rauan Kaldybaev | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Computer-Based Maths , Discrete Mathematics , ...
1
REPLIES
6.3K
VIEWS

Rational tetrahedra: edge lengths from given angles

CONTRIBUTED BY: Ed Pegg | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Demonstrations , Equation Solving , Geometry , ...
1
REPLIES
12.9K
VIEWS

Solve a Euro Math Cup 2020 Problem with GeometricScene

QUESTION FROM: Shenghui Yang | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Computer-Based Maths , Education , Geometry , ...
1
REPLIES
9.2K
VIEWS

Surprising Reflections from Cylinder to Cone

CONTRIBUTED BY: Erik Mahieu | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Geometry , Graphics and Visualization , ...
2
REPLIES
9.5K
VIEWS

[GIF] Dawn (Image of square grid under cosine)

CONTRIBUTED BY: Clayton Shonkwiler | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Geometry , Graphics and Visualization , Visual Arts , ...
2
REPLIES
11.1K
VIEWS

[WWS21] Geometric constructions in discrete non-integer dimensional spaces

CONTRIBUTED BY: Jean du Plessis | 4 years ago BY: Jean du Plessis
Staff Picks , Discrete Mathematics , Geometry , Graphs and Networks , ...
2
REPLIES
7.6K
VIEWS

[WWS21] Alexander Orbach Relation and Random Walks on Hypergraphs

CONTRIBUTED BY: Yousof Mardoukhi | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Discrete Mathematics , Geometry , Graphs and Networks , ...
1
REPLIES
6.4K
VIEWS

Plot a Tube around a circular arc

QUESTION FROM: Ehud Behar | 4 years ago BY: Rohit Namjoshi
Geometry , Graphics and Visualization , Wolfram Language
1
REPLIES
3.8K
VIEWS

Digital Circlism: arrangement of circles over an image

CONTRIBUTED BY: Christophe Favergeon | 3 years ago BY: Christophe Favergeon
Staff Picks , Geometry , Graphics and Visualization , ...
11
REPLIES
17.4K
VIEWS

A "Closed-Form" Solution to the Geometric Goat Problem

CONTRIBUTED BY: Paul Abbott | 4 years ago BY: J. M.
Staff Picks , Calculus , Computer-Based Maths , Equation Solving , ...
2
REPLIES
13.2K
VIEWS

Making fake Voronoi diagrams

CONTRIBUTED BY: J. M. | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Geometry , Graphics and Visualization , Know-How , ...
5
REPLIES
9.7K
VIEWS

3D Helmholtz resonance in the violin body with f-holes

CONTRIBUTED BY: Alexander Trounev | 4 years ago BY: Alexander Trounev
Staff Picks , Audio, Sound and Music , Engineering , ...
19
REPLIES
18.7K
VIEWS

[GIF] Between (Stereographic projection of circles of latitude)

CONTRIBUTED BY: Clayton Shonkwiler | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Geometry , Graphics and Visualization , Mathematics , ...
1
REPLIES
9.9K
VIEWS

GeoVoronoi (and GeoDelaunay)

CONTRIBUTED BY: Christopher Wolfram | 4 years ago BY: EDITORIAL BOARD
Staff Picks , Curated Data , Geographic Information System , ...
8
REPLIES
13.8K
VIEWS
15
16
17
18
19

Group Count Group Count

978 Discussions

Group Branding Group Branding

New Discussion New Discussion

ACTIVE MEMBERS ACTIVE MEMBERS

ACTIVE MEMBERS
edp
Ed Pegg
6 days ago
solalmakinson
Solal Makinson
15 days ago
knill
Oliver Knill
25 days ago
amarq1
Antonio Marquez-Raygoza
27 days ago
gag0002
Gilmer Gary
5 days ago
vitaliyk
Vitaliy Kaurov
4 days ago
dmoore101
David Moore
1 month ago

RELATED GROUPS RELATED GROUPS

RELATED GROUPS
Staff Picks 1K discussions 807 subscriptions
Wolfram Language 11K discussions 2K subscriptions
Graphics and Visualization 4K discussions 1K subscriptions
Mathematics 6K discussions 4K subscriptions
Recreation 558 discussions 573 subscriptions