06 2018 档案

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(890) 评论(0) 推荐(0) 编辑
摘要:mount -t ntfs -o "uhelper=udisks2,nodev,nosuid,uid=1000,gid=1000" /dev/sdb1 /media/xyq/opt mount -t ntfs -o "uhelper=udisks2,nodev,nosuid,uid=1000,gid 阅读全文
posted @ 2018-06-18 17:41 bregman 阅读(262) 评论(0) 推荐(0) 编辑
摘要:单个查询 http://www.wolframalpha.com/input/?source=nav&i=simplify+radical+sqrt(567) notebook https://sandbox.open.wolframcloud.com/app/objects/7d8ef5ec 66 阅读全文
posted @ 2018-06-11 12:06 bregman 阅读(493) 评论(0) 推荐(0) 编辑
摘要:激活方法参考这里 阅读全文
posted @ 2018-06-10 14:27 bregman 阅读(345) 评论(0) 推荐(0) 编辑
摘要:FM https://www.yelp.com/dataset_challenge http://www.dtic.upf.edu/~ocelma/MusicRecommendationDataset/lastfm 1K.html https://webscope.sandbox.yahoo.com 阅读全文
posted @ 2018-06-05 14:56 bregman 阅读(152) 评论(0) 推荐(0) 编辑

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