Re: Modulus / Absolute Value

*To*: mathgroup at smc.vnet.net*Subject*: [mg90083] Re: Modulus / Absolute Value*From*: "David Park" <djmpark at comcast.net>*Date*: Sat, 28 Jun 2008 05:52:49 -0400 (EDT)*References*: <g42f1s$nv6$1@smc.vnet.net>

How about copying as InputForm and pasting in a Mathematica expression! -- David Park djmpark at comcast.net http://home.comcast.net/~djmpark/ "Felipe Mannshardt" <vexie.infamous at googlemail.com> wrote in message news:g42f1s$nv6$1 at smc.vnet.net... > Greetings, > > i have been searching the way to tell Mathematica to use Modulus / > Absolute Value. I have been unable to find. > > LATEX > \left(\int_0^{\frac{\pi }{2}} f[x] \, dx+\int_{\frac{\pi }{2}}^{\pi } f[x] > \, dx\right)+\int_0^{\pi } g[x] \, dx > /LATEX >> > I should be subtracting the upper Integral from the lower Integral, > but since i could not find a way to tell Mathematica to use Modulus > /Absolute Value. I had to add the upper to the lower . . . > > my functions are, f and g > > LATEX > f[\text{x$\_$}]\text{:=}\text{Sin}[2*x]g[\text{x$\_$}]\text{:=}x^2-(\pi > *x) > /LATEX >> > So, can some1 help me out with this one? How to use Modulus/Absolute Value > (German, Betrag) with Mathematica. > >