Re: A plot of Sign[x]
- To: mathgroup at smc.vnet.net
- Subject: [mg94146] Re: A plot of Sign[x]
- From: "Bert Aerts (rm X)" <bert.aertsX at advalvas.beX>
- Date: Fri, 5 Dec 2008 07:05:03 -0500 (EST)
- References: <gh8hjr$r0h$1@smc.vnet.net>
Thanks for the replies.
But do I really have to conclude that Mathematica is unable to make a decent
automatic Plot of a function as simple as Sign[x]?
Following does the trick:
a := Table[{x, Sign[x]}, {x, -5, 5, .01}]
ListPlot[a]
Bert Aerts (rm X) 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