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Feb 13, 2017 at 21:08 comment added Pietro Majer For instance $\sqrt{\epsilon +x^2}$
Aug 12, 2016 at 14:39 comment added Margaret Friedland Bernstein, S. N. "Sur la meilleure approximation de |x| par les polynomes de degrés donnés." Acta Math. 37, 1-57, 1913.
Aug 12, 2016 at 12:15 comment added Amir Sagiv and is there a good analytical approximation to $|x|$?
S Jun 26, 2013 at 5:49 history suggested Henry T. Horton CC BY-SA 3.0
Added LaTeX
Jun 26, 2013 at 4:59 review Suggested edits
S Jun 26, 2013 at 5:49
Jun 25, 2013 at 3:02 review Late answers
Jun 26, 2013 at 4:59
Dec 20, 2012 at 15:52 history answered dmuir CC BY-SA 3.0