Visualizing the 4d numbers Quaternions
3Blue1Brown · 6 则 HN 推荐
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3Blue1Brown builds visual intuition for quaternions, showing how to think about this four-dimensional number system using stereographic projection and rotations in 3D space. It is part one of a two-part series with an interactive companion site.
HN 推荐的原因： HN commenters recommend it as the best visual explanation of quaternions and a good way to visualize higher dimensions.
“He does a great job of explaining quaternions though visual intuition.” 阅读 HN 讨论 ↗