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MathGroup Archive 2007

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Re: plot question

  • To: mathgroup at smc.vnet.net
  • Subject: [mg72709] Re: plot question
  • From: "dimitris" <dimmechan at yahoo.com>
  • Date: Tue, 16 Jan 2007 02:51:26 -0500 (EST)
  • References: <eofj7u$hdb$1@smc.vnet.net>

Thanks to Peter, Bob and Jean Marc for their replies.
Also thank to Jean-Marc for bringing in my attention the following
relevant thread

http://groups.google.com/group/comp.soft-sys.math.mathematica/browse_thread/thread/8e1dbacb8a768054/3929283d6a0dacb5?lnk=gst&q=downward+y-axis&rnum=1&hl=en#3929283d6a0dacb5

Regards
Dimitris

dimitris wrote:
> Hello!
>
> Consider the following graph of the function -ln(|x|).
>
> Plot[-Log[Abs[x]], {x, -2, 2}, PlotRange -> {Automatic, {-1, 3.5}},
> Axes -> False, Frame -> True, PlotPoints -> 100, FrameLabel -> {"x",
> "y"}]
>
> How is it possible to make the y-axis point downwards (I need this
> because in half-space problems within the solid mechanics the possitive
> vertical axis is pointed into the half-space)?
> 
> Thanks in advance.
> Dimitris


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