Krasjet / quaternion

A brief introduction to the quaternions and its applications in 3D geometry.
https://krasjet.github.io/quaternion/
1.76k stars 273 forks source link

28页,sin(θ)u × sin(θ)u=0是怎么推算出来的,我推了很多遍没有推算出来,似乎不能直接拿普通向量代入 #26

Closed deng-shidong closed 3 years ago

Krasjet commented 3 years ago

任何向量叉乘于自身的结果都是0,这里u是一个3D向量.