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when toggle format what by license comment
Dec 17, 2012 at 8:18 answer added Peter Michor timeline score: 1
Dec 17, 2012 at 8:07 history edited Anton Menshov CC BY-SA 3.0
added 65 characters in body
Dec 17, 2012 at 7:44 comment added Brendan McKay Please define "norm"; there are many matrix norms.
Dec 17, 2012 at 5:42 history asked Anton Menshov CC BY-SA 3.0