Re: A plot of Sign[x]
- To: mathgroup at smc.vnet.net
- Subject: [mg94106] Re: A plot of Sign[x]
- From: ucervan at gmail.com
- Date: Fri, 5 Dec 2008 05:29:29 -0500 (EST)
- References: <gh8hjr$r0h$1@smc.vnet.net>
On Dec 4, 6:14 am, "Bert Aerts (rm X)" <bert.aer... at advalvas.beX>
wrote:
> I tried to plot the Sign function, making clear that Sign[0]=0 by typing
> Plot[Sign[x], {x, -5, 5}, Mesh -> 51, PlotRange -> All]
> Making Mesh an odd value shows x=0.
>
> But the point at x=0 is being plot as 0.5 in stead of zero.
>
> What am I doing wrong?
>
> Mathematica 6.0.3 Linux x86_64
Try:
Plot[Sign[x], {x, -5, 5}, Mesh -> 51, PlotRange -> All,
Exclusions -> {x == 0}, MeshStyle -> Red, AxesOrigin -> {-5, 0}]
Ulises Cervantes
WRI
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