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Re: plot help
*To*: mathgroup at smc.vnet.net
*Subject*: [mg39587] Re: [mg39572] plot help
*From*: BobHanlon at aol.com
*Date*: Tue, 25 Feb 2003 02:55:16 -0500 (EST)
*Sender*: owner-wri-mathgroup at wolfram.com
In a message dated 2/24/03 4:10:12 AM, chiu at fkf.mpg.de writes:
> I am a new mathetica user and learning to plot my band diagram,
> i.e., energy E vs wave vector k. Assumed that E(k, y) and y is a
> series of integers.
>
> I use the following function:
>
> Plot[k^2+y, {k, -Pi, Pi}, {y, -3, 3}]
>
> and would like to plot "a series of" bands in a 2D plot, however, it
> did not work.
>
Plot3D[k^2+y, {k, -Pi, Pi}, {y, -3, 3}];
Needs["Graphics`Graphics`"];
DisplayTogetherArray[Plot[Evaluate[
Table[k^2+y, {k,0,Pi, Pi/6}]],
{y,-3,3}, PlotStyle -> Table[Hue[k], {k,0,1,1/6}],
Frame->True, Axes->False, FrameLabel->{"y", "E"},
Epilog->{Text["k=0", {0,0},{-1,1}],
Text["k=\[PlusMinus]Pi", {0,Pi^2},{1,-1}]}],
Plot[Evaluate[
Table[k^2+y, {y,-3,3}]],
{k,-Pi,Pi}, PlotStyle -> Table[Hue[k], {k,0,1,1/6}],
Frame->True, Axes->False, FrameLabel->{"k", "E"},
FrameTicks->{PiScale, Automatic, None, Automatic},
Epilog->{Text["y=-3", {0,-3},{0,1}],
Text["y=3", {0,3},{0,-1}]},
PlotRange->{Automatic,{-4.5,13.5}}],
ImageSize-> 600];
Bob Hanlon
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