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@shawnpeters1982.bsky.social Oct 5, 2026, 10:26 AM

Mathober - Day 5 - Inellipse

Each triangle has an inscribed ellipse, known as an inellipse.

In this sketch, a Delaunay triangulation is drawn, along with the corresponding inellipses.

openprocessing.org/@speters/302...

#p5js #mathober #mathober5

@fractalkitty.com Oct 5, 2026, 5:34 AM

Today's #Mathober for Linear Reccurence (jelly fungus and Padovan)

p5js: codepen.io/editor/fract...

Desmos: www.desmos.com/calculator/x...
#mathart

A padovan sequence represented by spiraling triangles drawn as a frame with small yellow fungi tentacles coming out of the frame to make a slight spiral through the height along each line. There is a moon at 38% and a banana slug climbing down the frame. The drawing is mostly yellow on a dark blue background.

@illestpreacha.bsky.social Oct 5, 2026, 3:22 AM

GraphKOverLoad

#mathart #mathober #mathober9 #Mathober2026

Code #Python

Blog/Code/More Images: blog.illestpreacha.com/mathober2026...

#Graphs #Kcyclic #DataViz #DataARt #illestpreacha

@johngolden.bsky.social Oct 4, 2026, 12:45 PM

#mathober day 4 linear recurrence... recent 8 part mini #mathstory/#mathcomic mathhombre.blogspot.com/2026/09/sum-...

@shawnpeters1982.bsky.social Oct 4, 2026, 12:03 PM

Mathober - Day 4 - Linear Recurrence

A linear recurrence is a sequence which is generated by summing together previous values, similar to the Fibonacci sequence, but can also involve coefficients.

openprocessing.org/@speters/302...

#p5js #mathober #mathober4

@fractalkitty.com Oct 4, 2026, 4:56 AM

Today's #mathober

and then a p5 sketch: codepen.io/editor/fract...

and a desmos: www.desmos.com/calculator/b...

six permutations of short, medium, high peach and white fly agaric mushrooms sit grouped under a last quarter moon with a banana slug sneak out from behind. text below reads "fly agaric permutations" in a slug font.

@johngolden.bsky.social Oct 4, 2026, 2:05 AM

For #mathober day 3 permutation, this got stuck in my head for some reason: circular visualization of a Hamiltonian cycle on the Cayley graph. Боже мой. www.tumblr.com/mathhombre/8...

@johngolden.bsky.social Oct 4, 2026, 12:22 AM

Found a neat permutation group visualizer on #mathober day 3 permutation-groups.netlify.app/?group=S6

@shawnpeters1982.bsky.social Oct 3, 2026, 11:43 AM

Mathober - Day 3 - Permutation List

A permutation list is made up of all the unique permutations of a string or similar collection, in this case "permutation".

There are 11! / 2! unique permutations, from "aeimnoprttu" to "uttrponmiea"

openprocessing.org/@speters/302...
#p5js #mathober #mathober3

@steckl.es Oct 3, 2026, 10:34 AM

It's #mathober day 3, and the prompt is PERMUTATION. Here's a little zine I made about different kinds of permutations! PDF: https://katiesteckles.co.uk/mo3

Photos of the pages of a hand-drawn zine about different kinds of permutations

@fractalkitty.com Oct 3, 2026, 5:25 AM

Today's mathober

doodle, p5js, and graph.

p5: codepen.io/editor/fract...

Desmos: www.desmos.com/calculator/i...

#mathober, #zebra #desmos #p5 #mathart #chess #slug #fungus

@fractalkitty.com Oct 3, 2026, 5:23 AM

Today's mathober

doodle, p5js, and graph.

p5: codepen.io/editor/fract...

Desmos: www.desmos.com/calculator/i...

#mathober, #zebra #desmos #p5 #mathart #chess #slug #fungus

Mushrooms on a chessboard moving 2,3 with mycelium connections under a 58 percent moon and a banana slug climbing up the closest one. The mushrooms are dainty. The words "a fairy zebra graph of mycelium hops under the waning moon.

@illestpreacha.bsky.social Oct 3, 2026, 4:26 AM

MultiPerfectUnAligned

#mathart #mathober #mathober24 #Mathober2026 #MultiPerfect #Numbetheory

Video: youtu.be/D8J__mw9Qd0

Code #Locomotion

Blog: blog.illestpreacha.com/mathober2026...

@johngolden.bsky.social Oct 2, 2026, 4:11 PM

Some @geogebra.org for #mathober day 2: zebra graph. www.geogebra.org/m/rpent7wa Random walk, but inspired by the new to me zebra idea.

@illestpreacha.bsky.social Oct 2, 2026, 3:08 PM

DigitalHeatTransfer

Video: youtu.be/P6NKsi9r2BI

#mathart #mathober #mathober15 #irredundant #livecoding #creativecoding #Mathober2026

Code #HydraVideoSynth

Blog: blog.illestpreacha.com/mathober2026...

@shawnpeters1982.bsky.social Oct 2, 2026, 10:28 AM

Mathober - Day 2 - Zebra Graph

The zebra is a fairy chess piece that moves similar to a knight, but moves 2 by 3 instead of 1 by 2.

Alternating sets of zebra graphs are arranged on a chess board pattern.
openprocessing.org/@speters/302...

#p5js #mathober #mathober2

@steckl.es Oct 2, 2026, 9:03 AM

For day two of #mathober, the prompt is Zebra Graph. Here's a little zine with some fun facts about what they are. PDF: https://katiesteckles.co.uk/mo2

Photos of each page of a hand-drawn zone about zebra graphs

@fractalkitty.com Oct 2, 2026, 4:38 AM

Happy Mathober all!

I am going with fungus for the mathober doodles this year.

#mathober #fungus #slug #mathart #procreate

A moon at 67 percent illumination sits above an ellipse outlined by coral fungus with slight shadow on a dark teal background. A small banana slug moves toward the ellipse of coral fungus with a little trail. Everything sits in a yellow frame with text below that says "a perimeter of a lunar ellipse integrated by coral fungus" written in a font made of slugs.

@illestpreacha.bsky.social Oct 2, 2026, 2:59 AM

CamilleAsZebra

Choreographing as #Chess Moves

#mathart #mathober #mathober2 #Zebragraph #fairychess #3d #choreography #animation #mathober2026

Video: youtu.be/b9fNXFIeMCY

Code #Locomotion #SonicPi #LiveCodeLab

Blog: blog.illestpreacha.com/mathober2026...