Dragonite

# 1,159 Reputation

-2 May 11
 -2 15:24 downvote Bounded linear operator $A$ s.t. $Ax=y$ has a least square solution for each $y$ iff the range of $A$ is closed
-2 May 6
 -2 08:08 downvote Bounded linear operator $A$ s.t. $Ax=y$ has a least square solution for each $y$ iff the range of $A$ is closed
10 May 4
 +10 12:23 upvote 1 and 2 norm inequality
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