Top 7 geometric-algebra Open-Source Projects

• ganja.js

  8 1,492 2.5 JavaScript

  :triangular_ruler: Javascript Geometric Algebra Generator for Javascript, c++, c#, rust, python. (with operator overloading and algebraic literals) -

Project mention: The Montreal Problem: Why Programming Languages Need a Style Czar | news.ycombinator.com | 2024-03-15

Some people's brains just work this way. Here's an example of a somewhat popular and regularly maintained library written in a similar style: https://github.com/enkimute/ganja.js/blob/6e97cb45d780cd7c66...

Once your learn to recognise the commonalities, you'll see examples everywhere. The most extreme and stereotypical version is the billboards written by some homeless people. You can probably picture it already in your mind's eye: A wall of very dense text with little whitespace or structure, and a mix of fonts and colours seemingly at random.

I had a brilliant mathematician friend who wrote like this. He would squeeze and entire semester's worth of study notes into a single sheet of paper, on one side. It was impenetrable gibberish to everyone else, but the colours and 2D positioning let him build a mental mind-map.

For people like this, if you reformat their code even a tiny bit, their mental map is invalidated, and they lose track of it completely and become upset. I discovered this (the hard way) when applying automatic code formatting tools to the codebases I mentioned previously.

Personally, I find this type of thing to be absolutely fascinating, because it's the intersection of many fields of study, and hence is under-studied. There's elements of pedagogy, psychology, literacy, compute science, etc...

It's an open question how we can get large groups of neurodiverse humans to collaborate on a codebase when they don't even "read" or "think" in compatible ways!

• clifford

  1 744 0.0 Python

  Geometric Algebra for Python

  

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• Klein

  3 735 0.0 C++

  P(R*_{3, 0, 1}) specialized SIMD Geometric Algebra Library

Project mention: Planes in 3D Space | news.ycombinator.com | 2024-04-27

For those interested, this appears to be a really high quality library that provides a 3D PGA C++ API:

https://github.com/jeremyong/klein

I've always wanted to find an excuse to rebuild some projects at work around this.

• Grassmann.jl

  8 454 8.0 Julia

  ⟨Grassmann-Clifford-Hodge⟩ multilinear differential geometric algebra

• gatl

  1 55 0.0 C++

  GATL: Geometric Algebra Template Library

• geometric_algebra

  2 43 4.1 Rust

  Generate(d) custom libraries for geometric algebras

Project mention: Rapier is a set of 2D and 3D physics engines written in Rust | news.ycombinator.com | 2024-02-26

I got sucked down a Geometric Algebra rabbit hole a few months ago, which seems like a remarkably concise and intuitive way to work in a very wide variety of geometries, including 2D, 3D, 4D+, non-euclidean etc. I've wondered if GA would make a good foundation for a physics engine...

There are a few small rust libraries that look interesting [1][2], but none with a lot of traction.

Has anyone looked into this?

[1]: https://crates.io/keywords/geometric-algebra

[2]: https://github.com/Lichtso/geometric_algebra

If you dare, a good place to jump in might be Freya Holmér's Why can't you multiply vectors? - https://www.youtube.com/watch?v=htYh-Tq7ZBI

• clifford

  1 19 0.0 Raku

  Geometric Algebra in Raku (by grondilu)

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geometric-algebra related posts

• Planes in 3D Space

  2 projects | news.ycombinator.com | 27 Apr 2024

• The Montreal Problem: Why Programming Languages Need a Style Czar

  3 projects | news.ycombinator.com | 15 Mar 2024

• Geometric Algebra to Geometric Computing Software Developers

  4 projects | news.ycombinator.com | 24 Sep 2023

• How to fit a polynomial P of degree D to a vector of roots?

  1 project | /r/Julia | 23 Dec 2022

• [Media] I finished my first rust project: a path tracer

  2 projects | /r/rust | 11 Jul 2022

• Grassmann.jl now has SimplexComplex{V,B,T} wrapper for Complex{T}

  1 project | /r/Julia | 20 Dec 2021

• Einstein award going to Paul Ginsberg for creating arXiv.org

  1 project | news.ycombinator.com | 26 Nov 2021
• A note from our sponsor - SaaSHub
  www.saashub.com | 22 May 2024

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