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lect11 subspace dimensions #16

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chinkiko opened this issue Apr 5, 2020 · 0 comments

chinkiko commented Apr 5, 2020

求并（intersect）：S∪U=D,dim(S∪U)=9
求交（sum）： S∩U=M,dim(S∩U)=3

单词错了
交集 intersection： S∩U=D, dim(S∩U)=3
？：S∪U or S+U
这里教授强调union不是一个subspace，所以改用了加号combination。这里是不是说明一下会更好。

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