Siggraph2019 Geometric Algebra

Why HN readers recommended it

HN commenters repeatedly point people to it as the most accessible, developer-friendly introduction to geometric algebra and its use in graphics and physics.

This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.

Video & recommendation details

Creator / channel

Bivector

Topic

geometric algebra

Format

lecture

Level

intermediate

HN recommenders in dataset

8

HN mentions in dataset

17

Recommendation years in dataset

2020–2022

These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.

From the original HN conversations

Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.

• Ok look just watch this mind blowing video: [VIDEO] After that, you can’t argue that geometric algebra is not THE right way to do geometry. Projective geometry (in any dimension) is a subset of geometric algebra. Please watch it.

• The following video has a good, developer-friendly introduction to the subject that should answer your question. Take a look in particular at the code snippets that are sprinkled throughout the video and notice how much cleaner, shorter, simpler, less computationally costly, and "universal"/"exception-free" the code …

• If you like this, then checkout the presentation on Geometric Algebra from 2019 SIGGRAPH: [VIDEO] You can then play around with objects in 3D, 4D, and beyond: [LINK]