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Plotting two differently scaled graphs together

  • To: mathgroup at
  • Subject: [mg51467] Plotting two differently scaled graphs together
  • From: "Marcin Mirski" <marcinmirski at>
  • Date: Tue, 19 Oct 2004 02:55:39 -0400 (EDT)
  • Sender: owner-wri-mathgroup at

Hi, I am preparing some graphs for a university lab course, and I can't 
figure out how to scale and plot two graphs together, along with scaled 

I am plotting Yield and Ultimate tensile stress, both on the order of 
100-500MPa, along with %elongation, which ranges from .25-16.75. %Cold Work 
is the x-axis.

DisplayTogether[ListPlot[S_y, PlotStyle -> PointSize[0.01]],
ListPlot[S_u, PlotStyle -> PointSize[0.01]],
ListPlot[Elong, PlotStyle -> PointSize[0.01]],
AxesLabel -> {"%CW", MPa},
PlotLabel -> "YS, UTS, and %Elongation vs %CW of Brass"]

Of course, Elong ends up being an almost horizontal line along the bottom. 
How can I scale Elong by about 25, and add a 2nd y-axis on the right-hand of 
the graph to reflect the scaling? I've looked through the Help and searched 
a bit through the list archives, but I haven't found anything.

Thanks for your time,

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