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Re: FilledPlot Question

  • To: mathgroup at smc.vnet.net
  • Subject: [mg39058] Re: FilledPlot Question
  • From: "Allan Hayes" <hay at haystack.demon.co.uk>
  • Date: Sun, 26 Jan 2003 05:23:18 -0500 (EST)
  • References: <b0tetq$9hu$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

"Matthew Senn" <msenn77 at yahoo.com> wrote in message
news:b0tetq$9hu$1 at smc.vnet.net...
> i'm relatively new using mathematica 4.2.  the other day, i came across
what
> seemed to be a simple problem, but i couldn't figure out how to do it.
>
> say i was plotting y=x^2, and i wanted to shade the region under the graph
> only between x=2 to x=4 over a range of {x, 0, 5}, is there a way to do
> this?  i tried FilledPlot, but it filled the entire area under the graph.
>
> thank you!
>
>
>

Matthew,

Two suggestions:

    << Graphics`FilledPlot`

    FilledPlot[{x^2, If[2 <= x <= 4, 0, x^2]}, {x, 0, 5}];

Below,  I use Off[Plot::"plnr"]  to suppress messages complaining of
non-real values.

    Off[Plot::plnr]
    FilledPlot[{x^2, If[2 <= x <= 4, 0]}, {x, 0, 5}]
    On[Plot::plnr]


Allan

---------------------
Allan Hayes
Mathematica Training and Consulting
Leicester UK
hay at haystack.demon.co.uk
Voice: +44 (0)116 271 4198
Fax: +44 (0)870 164 0565






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