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Re: ListPlot with two horizontal axes

  • To: mathgroup at smc.vnet.net
  • Subject: [mg109128] Re: ListPlot with two horizontal axes
  • From: Bob Hanlon <hanlonr at cox.net>
  • Date: Mon, 19 Apr 2010 04:08:10 -0400 (EDT)

data = Table[{x, x}, {x, 30, 300, 50}];

ListLinePlot[data,
 Frame -> True,
 Axes -> False,
 FrameLabel -> {
   {None, None},
   {"Frequency in MHz",
    "Wavelength in meters" }},
 FrameTicks -> {
   {Automatic, Automatic},
   {Automatic, Join[
     Flatten[
      Table[{300/len, , {0.00625, 0.}, 
        {GrayLevel[0.],
         AbsoluteThickness[0.125]}},
       {n, 1, 3},
       {len, 2^(n - 1), 2^n, 2^(n - 4)}],
      1],
     Table[{300/len, len}, {len, 1, 10}]]}},
 ImageSize -> 600,
 PlotRange -> {{30, 300}, Automatic}]


Bob Hanlon

---- EliL <elansey at gmail.com> wrote: 

=============
I have data I would like to plot with two horizontal axes.  I.e.
signal magnitude as a function of wavelength and frequency.  Is there
a way to label the horizontal axis with two scales? (Note, freq is
inversely proportional to wavelength.)
Thanks!
Eli.



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