Re: Re: How to express this function.

*To*: mathgroup at smc.vnet.net*Subject*: [mg84242] Re: [mg84237] Re: How to express this function.*From*: Andrzej Kozlowski <akoz at mimuw.edu.pl>*Date*: Sat, 15 Dec 2007 06:12:45 -0500 (EST)*References*: <fjunch$27q$1@smc.vnet.net> <200712150416.XAA18940@smc.vnet.net>

Here is another definition, which has the (probably insignificant) advantage of extending naturally to complex arguments: f[x_] := Abs[Arg[Exp[2 Pi I x]]]/(2 Pi) Andrzej Kozlowski On Fri, 14 Dec 2007 13:58:44 -0600, huxiaopengstat at gmail.com <huxiaopengstat at gmail.com> wrote: > f is a period continual function with period 1. > f equals x when 0<x1/2,equals -x when -1/2<x<1. > > How to express this function? > >

**References**:**Re: How to express this function.***From:*"David W.Cantrell" <DWCantrell@sigmaxi.net>