Posted by haifeng on 2015-02-03 12:22:23 last update 2015-02-03 12:22:23 | Answers (1) | 收藏
设
\[ A=\begin{pmatrix} \frac{2}{3}&\frac{1}{3}&\frac{2}{3}\\ -\frac{2}{3}&\frac{2}{3}&\frac{1}{3}\\ -\frac{1}{3}&-\frac{2}{3}&\frac{2}{3} \end{pmatrix} \]
证明: $A\in SO(3)$. 求 $A$ 所对应的旋转变换的旋转轴.
