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If I have a plot like

RevolutionPlot3D[Piecewise[{{x^2,0<x<1},{x^(-1),1<x<3}}],{x,0,3}]

is there anyone to add labels within the plot?

For example, if I wanted to label specifically the position x=1 as something like "Enters magnetic field," is there any way I could do it?

user3349053
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    Show[Graphics3D[Text["Enters magnetic field", {1, 0, 0}]], RevolutionPlot3D[ Piecewise[{{x^2, 0 < x < 1}, {x^(-1), 1 < x < 3}}], {x, 0, 3}] ] – Bill May 07 '14 at 05:18
  • Thank you. Would you please tell me how I could then do two labels of text or point me to instructions that could explain how? – user3349053 May 08 '14 at 14:15
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    Look at the help page for Show to see what it accepts. Or try this: Show[Graphics3D[Text["Enters magnetic field", {1, 0, 0}]], Graphics3D[Text["Exits magnetic field", {-1, 0, 0}]], RevolutionPlot3D[Piecewise[{{x^2, 0 < x < 1}, {x^(-1), 1 < x < 3}}], {x, 0, 3}]] And click on Details and Options on the help page for Text to learn about positioning text relative to a particular point. – Bill May 08 '14 at 21:46

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