Fantastic Quaternions - Numberphile

Why HN readers recommended it

HN recommends it as the simplest, most approachable introduction to quaternions, useful for people working in games and robotics.

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

Video & recommendation details

Creator / channel

Numberphile

Topic

quaternions

Format

explainer

Level

intro

HN recommenders in dataset

3

HN mentions in dataset

3

Recommendation years in dataset

2016–2018

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.

• Kalid - also your explanation of complex numbers is absolutely amazing. Sure I could manipulate them by memorizing rules, but I never really knew what they meant or why they were important. I also love the Numberphile explanation of quaternions (building up from real to …

• Numberphile's explanation of Quaternions is the simplest I have seen so far: [VIDEO] Quaternions are very important to know if you are doing any kind of 3D math. For instance, game programming or SLAM for robotics.

• This video might be easier to grasp: Fantastic Quaternions - Numberphile [VIDEO] It also helped me to have a use-case in mind —- a motivation. Like maybe using the accelerometer/compasss in your phone to perform image stabilization or AR.