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Re: Plot and filling option

  • To: mathgroup at smc.vnet.net
  • Subject: [mg94614] Re: [mg94583] Plot and filling option
  • From: "David Park" <djmpark at comcast.net>
  • Date: Wed, 17 Dec 2008 06:36:25 -0500 (EST)
  • References: <16857477.1229426001803.JavaMail.root@m02>

How about using RegionPlot? Either this:

RegionPlot[0 < x y < 2, {x, 0, 1}, {y, 0, 3},
 AspectRatio -> Automatic]

Or this:

RegionPlot[
 0 < x < 1 \[And] 0 < y < 3 \[And] 0 < x y < 2, {x, -1, 2}, {y, -1, 4},
 AspectRatio -> Automatic]


David Park
djmpark at comcast.net
http://home.comcast.net/~djmpark/  


From: Pat [mailto:pbougette at lameta.univ-montp1.fr] 


Hello everyone.


I need some help to make a nice plot for my teaching.

I'd like to graph the following interval:
0 < x < 1
0 < y < 3
0 < x y < 2.

I did this:

Plot[{3, 2/x}, {x, 0, 4}, AxesLabel -> {"x", "y"},
 Prolog -> {Line[{{1, 0}, {1, 4}}]}, Filling -> {1 -> Top, 2 -> Top},
 PlotRange -> {0, 4}]

But I have no idea how I can fill the right side of the vertical line
X=1.

If you have any suggestions. Maybe I should write another code.

Thanks!

Pat.




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