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Aug 27, 2017 at 19:35 answer added Federico Poloni timeline score: 1
Aug 27, 2017 at 10:20 history bumped CommunityBot This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
Jul 28, 2017 at 12:31 comment added Suvrit search for "column subset selection" and you'll find numerous papers that provide approximation algorithms for solving such problems.
Jul 28, 2017 at 9:25 history bumped CommunityBot This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
Jun 28, 2017 at 9:01 history bumped CommunityBot This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
May 29, 2017 at 9:20 comment added Federico Poloni It seems from your comments that some constraints are missing from the problem description. Please review it and make sure you are not missing anything.
May 29, 2017 at 8:33 comment added Paul Irofti You are correct, I expanded a bit. Sorry about being impolite.
May 29, 2017 at 8:33 history edited Paul Irofti CC BY-SA 3.0
added 266 characters in body
May 27, 2017 at 15:15 answer added Rodrigo de Azevedo timeline score: 0
May 27, 2017 at 13:28 review Close votes
May 27, 2017 at 14:42
S May 27, 2017 at 12:39 history suggested Rodrigo de Azevedo CC BY-SA 3.0
Minor improvements
May 27, 2017 at 12:19 review Suggested edits
S May 27, 2017 at 12:39
May 26, 2017 at 8:56 history asked Paul Irofti CC BY-SA 3.0