sironekoblog https://blog.hatena.ne.jp/sironekoblog/ しろねこらぼ（旧） https://sironekoblog.hatenablog.com/ 数学 軸周りの回転を表す回転行列 \begin{align} \textbf{C}_{x}(\boldsymbol{η}) = \begin{pmatrix} 1 & 0 & 0\\ 0 & \cos \phi & \sin \phi \\ 0 & -\sin \phi & \cos \phi \end{pmatrix} \end{align}の固有値は \begin{align} \begin{vmatrix} t-1 & 0 & 0\\ 0 & t-\cos \phi & -\sin \phi \\ 0 & \sin \phi & t-\cos \phi \end{vmatrix}=0 \end… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsironekoblog.hatenablog.com%2Fentry%2F2020%2F12%2F13%2F173141" title="回転行列の固有値と固有ベクトル - しろねこらぼ（旧）" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2020-12-13 17:31:41 rich https://sironekoblog.hatenablog.com/entry/2020/12/13/173141 1.0 100%