摘要: 低秩逼近证明, 发现以前搞复杂了 $$ \begin{align} \min_{r(X)\leq r}\|A X\| &= \min_{U^TU=V^TV =I, r(\Sigma)=r} \| D U \Sigma V^T\| \\ & \leq \min_{U^TU=V^TV =I, r(\Si 阅读全文
posted @ 2018-06-26 20:30 bregman 阅读(897) 评论(0) 推荐(0)