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MathGroup Archive 2007

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Re: Add custom points to automatically generated Ticks?

  • To: mathgroup at
  • Subject: [mg80611] Re: Add custom points to automatically generated Ticks?
  • From: Helen Read <hpr at>
  • Date: Sun, 26 Aug 2007 23:16:33 -0400 (EDT)
  • References: <farahm$4nl$>
  • Reply-to: HPR <read at>

KvS wrote:
> Dear all,
> I have an ordinary plot like Plot[x^2,{x,0,10}] and I would like to
> add to the x-axis one or two special points , to point out where
> certain parameters are located. How to do this in a graphically
> attractive way? I have tried to use Epilog with a (vertical) Line and
> a Text, but I can't get the Text to be displayed properly below the x-
> axis.
> I have read about Ticks and I was wondering whether there is an easy
> way to use that, were "easy" would mean that I don't have to specify
> the whole set of Ticks manually, but can first make a plot without any
> additional points, then somehow subtract from there the Ticks
> generated by Mathematica, then add one or two custum ones and finally
> create a new plot with those adjusted Ticks.
> Any hints?
> Thanks in advance!

Something like this?

Plot[x^2, {x, 0, 10},
  Ticks -> {Flatten[{Range[2, 10, 2], 3.5, 4.7}], Automatic}]

Helen Read
University of Vermont

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